bugfix "tag" from query parameters in html to edit text

lib/utils/html_to_edit_text_helper.dart

@@ -27,7 +27,7 @@ void _updateSwapTagLinks(Node node, List<String> tags) {
       late final String tag;
       final pathEnd = p.split(url.path).last;
       if (pathEnd == 'search' && url.queryParameters.containsKey('tag')) {
-        tag = url.queryParameters['search']!;
+        tag = url.queryParameters['tag']!;
       } else {
         tag = pathEnd;
       }