TF-2047 Add rel="noreferrer" to HTML link attribute for enhance website security

(cherry picked from commit b015274879585eb36dd8e29b4781b7a9ac638888)

core/lib/presentation/utils/html_transformer/dom/add_target_blank_in_tag_a_transformers.dart

@@ -14,6 +14,10 @@ class AddTargetBlankInTagATransformer extends DomTransformer {
     final elements = document.querySelectorAll('a');
     await Future.wait(elements.map((element) async {
       element.attributes['target'] = '_blank';
+      final rel = element.attributes['rel'];
+      if (rel == null || (!rel.contains('noopener') && !rel.contains('noreferrer'))) {
+        element.attributes['rel'] = 'noreferrer';
+      }
     }));
   }
 }

core/lib/presentation/utils/html_transformer/sanitize_autolink_filter.dart

@@ -56,7 +56,7 @@ class SanitizeAutolinkFilter {
   }
 
   String _buildUrlLinkTag({required String urlLink, required String value}) {
-    return '<a href="$urlLink" target="_blank">$value</a>';
+    return '<a href="$urlLink" target="_blank" rel="noreferrer">$value</a>';
   }
 
   String _buildEmailLinkTag({required String mailToLink, required String value}) {