Initial support for xex patching

src/xenia/app/xenia_main.cc

@@ -509,6 +509,10 @@ void EmulatorApp::EmulatorThread() {
         });
       });
 
+  emulator_->on_patch_apply.AddListener([this]() {
+    app_context().CallInUIThread([this]() { emulator_window_->UpdateTitle(); });
+  });
+
   emulator_->on_terminate.AddListener([]() {
     if (cvars::discord) {
       discord::DiscordPresence::NotPlaying();