sdbusplus: object: don't use 'bool' argument constructor

`sdbusplus::server::object_t` has long had an enum-based parameter for
signal action, but maintained a backwards compatible boolean mapping.
It is time to remove this boolean to make it more observable which
actions are being used in applications.  Map all `true` occurrences to
`action::defer_emit`.

Change-Id: I21f8e8d8e988ee29933b544fd4ffd8bf0fe3963c
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/phosphor-rsyslog-config/server-conf.hpp b/phosphor-rsyslog-config/server-conf.hpp
index 979f845..5b3c5a1 100644
--- a/phosphor-rsyslog-config/server-conf.hpp
+++ b/phosphor-rsyslog-config/server-conf.hpp
@@ -40,7 +40,7 @@
      */
     Server(sdbusplus::bus::bus& bus, const std::string& path,
            const char* filePath) :
-        Iface(bus, path.c_str(), true),
+        Iface(bus, path.c_str(), Iface::action::defer_emit),
         configFilePath(filePath),
         hostnameChange(
             bus,