System: Move present skip check to core

src/frontend-common/common_host.cpp

@@ -394,7 +394,7 @@ void Host::DisplayLoadingScreen(const char* message, int progress_min /*= -1*/,
   ImGui::End();
 
   ImGui::EndFrame();
-  g_host_display->Render();
+  g_host_display->Render(false);
   ImGui::NewFrame();
 }