fix(SDKManager): ensure SDK Setup callbacks are called

The VRTK Logger can be configured so error logs throw exceptions,
resulting in an early exit in the logging method. This fix makes
sure the SDK Setup callbacks are called in that case.

Author: Christopher-Marcel Böddecker

Assets/VRTK/Scripts/Utilities/SDK/VRTK_SDKManager.cs

@@ -661,8 +661,8 @@ private IEnumerator FinishSDKSetupLoading(VRTK_SDKSetup[] sdkSetups, VRTK_SDKSet
                 UnloadSDKSetup();
 
                 const string errorMessage = "No SDK Setup from the provided list could be loaded.";
-                VRTK_Logger.Error(errorMessage);
                 OnLoadedSetupChanged(new LoadedSetupChangeEventArgs(previousLoadedSetup, null, errorMessage));
+                VRTK_Logger.Error(errorMessage);
 
                 yield break;
             }
@@ -696,8 +696,8 @@ private IEnumerator FinishSDKSetupLoading(VRTK_SDKSetup[] sdkSetups, VRTK_SDKSet
                     UnloadSDKSetup();
 
                     errorMessage += " There are no other Setups in the provided list to try.";
-                    VRTK_Logger.Error(errorMessage);
                     OnLoadedSetupChanged(new LoadedSetupChangeEventArgs(previousLoadedSetup, null, errorMessage));
+                    VRTK_Logger.Error(errorMessage);
 
                     yield break;
                 }