Fix mobile_app returning cloud URL when not subscribed (#83257)

fixes undefined

homeassistant/components/mobile_app/http_api.py

@@ -91,6 +91,7 @@ class RegistrationsView(HomeAssistantView):
         )
 
         remote_ui_url = None
+        if cloud.async_active_subscription(hass):
             with suppress(hass.components.cloud.CloudNotAvailable):
                 remote_ui_url = cloud.async_remote_ui_url(hass)
 

homeassistant/components/mobile_app/webhook.py

@@ -693,6 +693,7 @@ async def webhook_get_config(
     if CONF_CLOUDHOOK_URL in config_entry.data:
         resp[CONF_CLOUDHOOK_URL] = config_entry.data[CONF_CLOUDHOOK_URL]
 
+    if cloud.async_active_subscription(hass):
         with suppress(hass.components.cloud.CloudNotAvailable):
             resp[CONF_REMOTE_UI_URL] = cloud.async_remote_ui_url(hass)