Enforce pointer alignment for InlinedAllocation

AssetReferences stored in inlined allocation needs to be aligned to
pointer sized boundary due to atomic operations having strict
requirements for such. Unaligned access seems to only crash on
Windows on ARM systems when trying to allocate TextRender draw chunks.

Source/Engine/Core/Memory/Allocation.h

@@ -208,7 +208,7 @@ public:
         typedef typename FallbackAllocation::template Data<T> FallbackData;
 
         bool _useFallback = false;
-        byte _data[Capacity * sizeof(T)];
+        alignas(sizeof(void*)) byte _data[Capacity * sizeof(T)];
         FallbackData _fallback;
 
     public: