LibWeb: Port EnvironmentSettings URL Parsing to return Optional<URL>

Author: https://github.com/shannonbooth
Commit: 2c8dab36f3
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3609
Reviewed-by: https://github.com/trflynn89

Libraries/LibWeb/HTML/WorkerGlobalScope.cpp

@@ -106,11 +106,11 @@ WebIDL::ExceptionOr<void> WorkerGlobalScope::import_scripts(Vector<String> const
         auto url_record = settings_object.encoding_parse_url(url);
 
         // 2. If urlRecord is failure, then throw a "SyntaxError" DOMException.
-        if (!url_record.is_valid())
+        if (!url_record.has_value())
             return WebIDL::SyntaxError::create(realm(), "Invalid URL"_string);
 
         // 3. Append urlRecord to urlRecords.
-        url_records.unchecked_append(url_record);
+        url_records.unchecked_append(url_record.release_value());
     }
 
     // 6. For each urlRecord of urlRecords: