system/ui: Fix crash when exiting the application with CTRL+C (KeyboardInterrupt). (#35221)

handle KeyboardInterrupt

system/ui/lib/application.py

@@ -131,6 +131,7 @@ class GuiApplication:
     rl.close_window()
 
   def render(self):
+    try:
       while not (self._window_close_requested or rl.window_should_close()):
         rl.begin_drawing()
         rl.clear_background(rl.BLACK)
@@ -142,6 +143,8 @@ class GuiApplication:
 
         rl.end_drawing()
         self._monitor_fps()
+    except KeyboardInterrupt:
+      pass
 
   def font(self, font_weight: FontWeight=FontWeight.NORMAL):
     return self._fonts[font_weight]