XCode doesnt support files per configuration, using the old method (#3789)

- some warn fixes
- fixed release linking issue

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

Gems/LyShine/Code/Editor/Animation/UiAnimViewSplineCtrl.cpp

@@ -9,7 +9,7 @@
 
 #include "UiEditorAnimationBus.h"
 #include "EditorDefs.h"
-#include "Resource.h"
+#include "Editor/Resource.h"
 #include "UiAnimViewSequenceManager.h"
 #include "UiAnimViewSplineCtrl.h"
 #include "UiAnimViewSequence.h"