fix(core): Fix OnStartupServer call time

Author: samyycX

src/engine/entities/entitysystem.cpp

@@ -125,6 +125,11 @@ void StartupServerHook(void* _this, const GameSessionConfiguration_t& config, IS
 {
     reinterpret_cast<decltype(&StartupServerHook)>(g_pStartupServerHook->GetOriginal())(_this, config, a, b);
 
+    if (g_pOnStartupServerCallback)
+    {
+        reinterpret_cast<void(*)()>(g_pOnStartupServerCallback)();
+    }
+    
     if (g_bDone) return;
 
     auto pGameResService = g_ifaceService.FetchInterface<IGameResourceService>(GAMERESOURCESERVICESERVER_INTERFACE_VERSION);
@@ -136,11 +141,6 @@ void StartupServerHook(void* _this, const GameSessionConfiguration_t& config, IS
     g_pGameEntitySystem = entSystem;
     g_pGameEntitySystem->AddListenerEntity(&g_entityListener);
 
-    if (g_pOnStartupServerCallback)
-    {
-        reinterpret_cast<void(*)()>(g_pOnStartupServerCallback)();
-    }
-
     g_bDone = true;
 }