FullscreenUI: Fix system unpausing on shutdown

src/core/fullscreen_ui.cpp

@@ -1243,8 +1243,8 @@ void FullscreenUI::RequestShutdown(bool save_state)
   ConfirmIfSavingMemoryCards(FSUI_STR("shut down"), [save_state](bool result) {
     if (result)
       Host::RunOnCPUThread([save_state]() { Host::RequestSystemShutdown(false, save_state); });
-
-    ClosePauseMenu();
+    else
+      ClosePauseMenu();
   });
 }