Update HamsterGame.cpp

Using the substr version *just* to be extra safe.

src/HamsterGame.cpp

@@ -421,12 +421,13 @@ bool HamsterGame::OnUserUpdate(float fElapsedTime){
 				std::string rawMetadata=(char*)data;
 				std::cout<<rawMetadata<<std::endl;
 
+				*((std::string*)(arg))=rawMetadata.substr(0,length);
+
 				// set playerName in localStorage as well
 				EM_ASM({
 					window.localStorage.setItem("playerName", UTF8ToString($0));
-				}, rawMetadata.c_str());
+				}, rawMetadata.substr(0,length).c_str());
 
-				*((std::string*)(arg))=rawMetadata.substr(0,length);
 				std::cout<<std::format("Success! Loaded Player Name {}",*((std::string*)(arg)))<<std::endl;
 				HamsterGame::Game().net.SetName(*((std::string*)(arg)));
 			},
@@ -873,4 +874,4 @@ int main()
 		game.Start();
 
 	return 0;
-}
+}