Acquire chunk map CS when accessing player entities

src/Server.cpp

@@ -435,7 +435,14 @@ bool cServer::Start(void)
 
 bool cServer::Command(cClientHandle & a_Client, AString & a_Cmd)
 {
-	return cRoot::Get()->GetPluginManager()->CallHookChat(*(a_Client.GetPlayer()), a_Cmd);
+	bool Res = cRoot::Get()->DoWithPlayerByUUID(
+		a_Client.GetUUID(),
+		[&](cPlayer & a_Player)
+		{
+			return cRoot::Get()->GetPluginManager()->CallHookChat(a_Player, a_Cmd);
+		}
+	);
+	return Res;
 }