ui: handle errors when writing to devices

lib/solaar/ui/config_panel.py

@@ -39,11 +39,14 @@ def _read_async(setting, force_read, sbox, device_is_online, sensitive):
 
 def _write_async(setting, value, sbox, sensitive=True, key=None):
     def _do_write(s, v, sb, key):
+        try:
             if key is None:
                 v = setting.write(v)
             else:
                 v = setting.write_key_value(key, v)
                 v = {key: v}
+        except Exception:
+            v = None
         if sb:
             GLib.idle_add(_update_setting_item, sb, v, True, sensitive, priority=99)