Merge remote-tracking branch 'origin/master' into 1.9

# Conflicts:
#	Source/Engine/UI/GUI/Common/Button.cs

Source/Engine/Level/Prefabs/PrefabManager.cpp

@@ -14,6 +14,7 @@
 #include "Engine/Core/Collections/CollectionPoolCache.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Core/Cache.h"
+#include "Engine/Core/LogContext.h"
 #include "Engine/Debug/Exceptions/ArgumentException.h"
 #include "Engine/Engine/EngineService.h"
 #include "Engine/Scripting/Script.h"
@@ -122,6 +123,7 @@ Actor* PrefabManager::SpawnPrefab(Prefab* prefab, const Transform& transform, Ac
     }
     auto& data = *prefab->Data;
     SceneObjectsFactory::Context context(modifier.Value);
+    LogContextScope logContext(prefabId);
 
     // Deserialize prefab objects
     auto prevIdMapping = Scripting::ObjectsLookupIdMapping.Get();