ui: clean raylib even on SIGINT (#36368)

* fix

* keep

* fix

system/ui/lib/application.py

@@ -2,6 +2,8 @@ import atexit
 import cffi
 import os
 import time
+import signal
+import sys
 import pyray as rl
 import threading
 from collections.abc import Callable
@@ -154,7 +156,11 @@ class GuiApplication:
     self._window_close_requested = True
 
   def init_window(self, title: str, fps: int = _DEFAULT_FPS):
-    atexit.register(self.close)  # Automatically call close() on exit
+    def _close(sig, frame):
+      self.close()
+      sys.exit(0)
+    signal.signal(signal.SIGINT, _close)
+    atexit.register(self.close)
 
     HARDWARE.set_display_power(True)
     HARDWARE.set_screen_brightness(65)