[minor] Fixed issue with TOptional and lifetime management of the hel…

…d value due to not scoping the instance of T in a union.

SIDFactoryII/source/foundation/base/toptional.h

@@ -88,6 +88,10 @@ namespace Foundation
 
 	private:
 		bool m_IsValid;
-		T m_Value;
+
+		union
+		{
+			T m_Value;
+		};
 	};
 }