MacOS moved to tkinter and pystray; cetifi implementation to fix SSL issues

utils/tray_common.py

@@ -323,6 +323,17 @@ def _run_proxy_thread(show_error: Callable[[str], None]) -> None:
         if diagnose_called:
             diagnose_called()
     finally:
+        pending = [
+            task for task in asyncio.all_tasks(loop)
+            if not task.done()
+        ]
+        for task in pending:
+            task.cancel()
+        if pending:
+            loop.run_until_complete(asyncio.gather(
+                *pending, return_exceptions=True
+            ))
+        loop.run_until_complete(loop.shutdown_asyncgens())
         loop.close()
         _async_stop = None