Add content deprecation system that auto-saves assets in Editor that use old data format

Source/Engine/Engine/GameplayGlobals.cpp

@@ -154,18 +154,8 @@ void GameplayGlobals::ResetValues()
 
 bool GameplayGlobals::Save(const StringView& path)
 {
-    // Validate state
-    if (WaitForLoaded())
-    {
-        LOG(Error, "Asset loading failed. Cannot save it.");
+    if (OnCheckSave(path))
         return true;
-    }
-    if (IsVirtual() && path.IsEmpty())
-    {
-        LOG(Error, "To save virtual asset asset you need to specify the target asset path location.");
-        return true;
-    }
-
     ScopeLock lock(Locker);
 
     // Save to bytes