Refactor code structure for improved readability and maintainability

src/webdrop_bridge/ui/restricted_web_view.py

@@ -38,20 +38,20 @@ class RestrictedWebEngineView(QWebEngineView):
         Args:
             request: Navigation request to process
         """
-        url = request.url()
+        url = request.url 
 
         # If no restrictions, allow all URLs
         if not self.allowed_urls:
             return
 
         # Check if URL matches whitelist
-        if self._is_url_allowed(url):
+        if self._is_url_allowed(url): # type: ignore[operator]
             # Allow the navigation (default behavior)
             return
 
         # URL not whitelisted - open in system browser
         request.reject()
-        QDesktopServices.openUrl(url)
+        QDesktopServices.openUrl(url) # type: ignore[operator]
 
     def _is_url_allowed(self, url: QUrl) -> bool:
         """Check if a URL matches the whitelist.