chore: Add tooltip to links in html

lib/pages/chat/events/html_message.dart

@@ -182,11 +182,11 @@ class HtmlMessage extends StatelessWidget {
           }
         }
         return WidgetSpan(
+          child: Tooltip(
+            message: href,
             child: InkWell(
               splashColor: Colors.transparent,
-            onTap: () =>
+              onTap: () => UrlLauncher(context, href, node.text).launchUrl(),
-                UrlLauncher(context, node.attributes['href'], node.text)
-                    .launchUrl(),
               child: Text.rich(
                 TextSpan(
                   children: _renderWithLineBreaks(
@@ -199,6 +199,7 @@ class HtmlMessage extends StatelessWidget {
                 style: const TextStyle(height: 1.25),
               ),
             ),
+          ),
         );
       case 'li':
         if (!{'ol', 'ul'}.contains(node.parent?.localName)) {