st3m/wifi: don't re-attempt connect on _onoff_wifi_update if already connected

python_payload/st3m/wifi.py

@@ -46,7 +46,7 @@ def is_connected() -> bool:
 
 
 def _onoff_wifi_update() -> None:
-    if settings.onoff_wifi.value:
+    if settings.onoff_wifi.value and not is_connected():
         setup_wifi()
     else:
         disable()