Custom browser endpoints should not have a proxy set

changedetectionio/processors/__init__.py

@@ -75,8 +75,8 @@ class difference_detection_processor():
 
         proxy_url = None
         if preferred_proxy_id:
-            # Custom browser endpoints should not have a proxy added
+            # Custom browser endpoints should NOT have a proxy added
-            if not preferred_proxy_id.startswith('ui-'):
+            if not prefer_fetch_backend.startswith('extra_browser_'):
                 proxy_url = self.datastore.proxy_list.get(preferred_proxy_id).get('url')
                 logger.debug(f"Selected proxy key '{preferred_proxy_id}' as proxy URL '{proxy_url}' for {url}")
             else: