exception: switch to public sdbus exception

SdBusError was intended to be a private error type inside sdbusplus.
Switch all catch locations to use the general sdbusplus::exception type.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I3b5d83511afdf17b2911502279087e57a59b9945
diff --git a/apphandler.cpp b/apphandler.cpp
index f5db550..6f8b2f0 100644
--- a/apphandler.cpp
+++ b/apphandler.cpp
@@ -114,7 +114,7 @@
         objectTree =
             ipmi::getAllDbusObjects(*ctx->bus, softwareRoot, redundancyIntf);
     }
-    catch (sdbusplus::exception::SdBusError& e)
+    catch (sdbusplus::exception::exception& e)
     {
         log<level::ERR>("Failed to fetch redundancy object from dbus",
                         entry("INTERFACE=%s", redundancyIntf),
@@ -926,7 +926,7 @@
             }
         }
     }
-    catch (sdbusplus::exception::SdBusError& e)
+    catch (sdbusplus::exception::exception& e)
     {
         log<level::ERR>("Failed to fetch object from dbus",
                         entry("INTERFACE=%s", session::sessionIntf),