Split out everying remaining from Swap

Source/Core/VideoCommon/GraphicsModSystem/Runtime/GraphicsModManager.cpp

@@ -85,6 +85,8 @@ bool GraphicsModManager::Initialize()
     g_ActiveConfig.graphics_mod_config->Load();
     g_ActiveConfig.graphics_mod_config->SetChangeCount(old_game_mod_changes);
     g_graphics_mod_manager->Load(*g_ActiveConfig.graphics_mod_config);
+
+    m_end_of_frame_event = AfterFrameEvent::Register([this] { EndOfFrame(); }, "ModManager");
   }
 
   return true;