esim: block delete while busy switching profiles

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: greatgitsby

selfdrive/ui/mici/layouts/settings/network/esim_ui.py

@@ -196,7 +196,7 @@ def _show_delete_btn(self) -> bool:
     return not self._cellular_manager.is_comma_profile(self._profile.iccid)
 
   def _on_delete(self):
-    if self._deleting:
+    if self._deleting or self._cellular_manager.busy:
       return
     self._deleting = True
     self._cellular_manager.delete_profile(self._profile.iccid)