Refactor INetworkDriver::PopEvent to use network event as output parameter rather than raw pointer

#1992

Source/Engine/Networking/NetworkConnection.h

@@ -10,13 +10,19 @@
 API_STRUCT(Namespace="FlaxEngine.Networking") struct FLAXENGINE_API NetworkConnection
 {
     DECLARE_SCRIPTING_TYPE_MINIMAL(NetworkConnection);
+
 public:
     /// <summary>
     /// The identifier of the connection.
     /// </summary>
     /// <remarks>Used by network driver implementations.</remarks>
-    API_FIELD()
-    uint32 ConnectionId;
+    API_FIELD() uint32 ConnectionId;
+};
+
+template<>
+struct TIsPODType<NetworkConnection>
+{
+    enum { Value = true };
 };
 
 inline bool operator==(const NetworkConnection& a, const NetworkConnection& b)