WifiUi: update wifi button in loop (#37246)

* move to update_state

* move back

system/ui/lib/wifi_manager.py

@@ -227,6 +227,10 @@ class WifiManager:
     if disconnected is not None:
       self._disconnected.append(disconnected)
 
+  @property
+  def networks(self) -> list[Network]:
+    return self._networks
+
   @property
   def ipv4_address(self) -> str:
     return self._ipv4_address