Logging.Create: return result path from create call

Support new object path return from Logging.Create.

See Ia010e53fda55cef8b9cfc948482e133f20040320.

```
$ busctl --user call xyz.openbmc_project.Logging /xyz/openbmc_project/logging xyz.openbmc_project.Logging.Create Create "ssa{ss}" "Example Event" xyz.openbmc_project.Logging.Entry.Level.Error 0
o "/xyz/openbmc_project/logging/entry/1"
$ busctl --user introspect xyz.openbmc_project.Logging /xyz/openbmc_project/logging/entry/1 -l
NAME                                        TYPE      SIGNATURE RESULT/VALUE                                              FLAGS
org.freedesktop.DBus.Introspectable         interface -         -                                                         -
.Introspect                                 method    -         s                                                         -
org.freedesktop.DBus.Peer                   interface -         -                                                         -
.GetMachineId                               method    -         s                                                         -
.Ping                                       method    -         -                                                         -
org.freedesktop.DBus.Properties             interface -         -                                                         -
.Get                                        method    ss        v                                                         -
.GetAll                                     method    s         a{sv}                                                     -
.Set                                        method    ssv       -                                                         -
.PropertiesChanged                          signal    sa{sv}as  -                                                         -
xyz.openbmc_project.Association.Definitions interface -         -                                                         -
.Associations                               property  a(sss)    0                                                         emits-change writable
xyz.openbmc_project.Common.FilePath         interface -         -                                                         -
.Path                                       property  s         "/tmp/phosphor-logging/errors/1"                          emits-change writable
xyz.openbmc_project.Logging.Entry           interface -         -                                                         -
.GetEntry                                   method    -         h                                                         -
.AdditionalData                             property  as        0                                                         emits-change writable
.EventId                                    property  s         ""                                                        emits-change writable
.Id                                         property  u         1                                                         emits-change writable
.Message                                    property  s         "Example Event"                                           emits-change writable
.Resolution                                 property  s         ""                                                        emits-change writable
.Resolved                                   property  b         false                                                     emits-change writable
.ServiceProviderNotify                      property  s         "xyz.openbmc_project.Logging.Entry.Notify.NotSupported"   emits-change writable
.Severity                                   property  s         "xyz.openbmc_project.Logging.Entry.Level.Error"           emits-change writable
.Timestamp                                  property  t         1727728256156                                             emits-change writable
.UpdateTimestamp                            property  t         1727728256156                                             emits-change writable
xyz.openbmc_project.Object.Delete           interface -         -                                                         -
.Delete                                     method    -         -                                                         -
xyz.openbmc_project.Software.Version        interface -         -                                                         -
.Purpose                                    property  s         "xyz.openbmc_project.Software.Version.VersionPurpose.BMC" emits-change writable
.Version                                    property  s         "2.15"                                                    emits-change writable
```

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Id2f45a1376a88d9785e860a47ea1135179b28ed9
diff --git a/log_manager.cpp b/log_manager.cpp
index 0992160..1b0cf3f 100644
--- a/log_manager.cpp
+++ b/log_manager.cpp
@@ -195,9 +195,10 @@
     createEntry(errMsg, errLvl, additionalData);
 }
 
-void Manager::createEntry(std::string errMsg, Entry::Level errLvl,
-                          std::vector<std::string> additionalData,
-                          const FFDCEntries& ffdc)
+auto Manager::createEntry(
+    std::string errMsg, Entry::Level errLvl,
+    std::vector<std::string> additionalData,
+    const FFDCEntries& ffdc) -> sdbusplus::message::object_path
 {
     if (!Extensions::disableDefaultLogCaps())
     {
@@ -254,6 +255,8 @@
     doExtensionLogCreate(*entries.find(entryId)->second, ffdc);
 
     // Note: No need to close the file descriptors in the FFDC.
+
+    return objPath;
 }
 
 bool Manager::isQuiesceOnErrorEnabled()
@@ -691,15 +694,15 @@
     return version.value_or("");
 }
 
-void Manager::create(const std::string& message, Entry::Level severity,
+auto Manager::create(const std::string& message, Entry::Level severity,
                      const std::map<std::string, std::string>& additionalData,
-                     const FFDCEntries& ffdc)
+                     const FFDCEntries& ffdc) -> sdbusplus::message::object_path
 {
     // Convert the map into a vector of "key=value" strings
     std::vector<std::string> ad;
     metadata::associations::combine(additionalData, ad);
 
-    createEntry(message, severity, ad, ffdc);
+    return createEntry(message, severity, ad, ffdc);
 }
 
 } // namespace internal
diff --git a/log_manager.hpp b/log_manager.hpp
index 436f572..cd5ae1d 100644
--- a/log_manager.hpp
+++ b/log_manager.hpp
@@ -182,9 +182,10 @@
      *                   Failure Data Capture). These will be passed to any
      *                   event logging extensions.
      */
-    void create(const std::string& message, Severity severity,
+    auto create(const std::string& message, Severity severity,
                 const std::map<std::string, std::string>& additionalData,
-                const FFDCEntries& ffdc = FFDCEntries{});
+                const FFDCEntries& ffdc = FFDCEntries{})
+        -> sdbusplus::message::object_path;
 
     /** @brief Common wrapper for creating an Entry object
      *
@@ -262,9 +263,10 @@
      * @param[in] ffdc - A vector of FFDC file info. Defaults to an empty
      * vector.
      */
-    void createEntry(std::string errMsg, Entry::Level errLvl,
+    auto createEntry(std::string errMsg, Entry::Level errLvl,
                      std::vector<std::string> additionalData,
-                     const FFDCEntries& ffdc = FFDCEntries{});
+                     const FFDCEntries& ffdc = FFDCEntries{})
+        -> sdbusplus::message::object_path;
 
     /** @brief Notified on entry property changes
      *
@@ -362,10 +364,11 @@
      * @param[in] severity - Level of the error
      * @param[in] additionalData - The AdditionalData property for the error
      */
-    void create(std::string message, Severity severity,
-                std::map<std::string, std::string> additionalData) override
+    auto create(std::string message, Severity severity,
+                std::map<std::string, std::string> additionalData)
+        -> sdbusplus::message::object_path override
     {
-        manager.create(message, severity, additionalData);
+        return manager.create(message, severity, additionalData);
     }
 
     /** @brief D-Bus method call implementation to create an event log with FFDC