fix: Minor design fixes

lib/pages/chat/event_info_dialog.dart

@@ -67,13 +67,7 @@ class EventInfoDialog extends StatelessWidget {
             padding: const EdgeInsets.all(12.0),
             child: SingleChildScrollView(
               scrollDirection: Axis.horizontal,
-              child: Text(
+              child: Text(prettyJson),
-                prettyJson,
-                style: const TextStyle(
-                  fontFamily: 'Roboto-Mono',
-                  fontSize: 16,
-                ),
-              ),
             ),
           ),
         ],

lib/pages/chat/events/message_content.dart

@@ -283,7 +283,7 @@ class _ButtonContent extends StatelessWidget {
       ),
       onPressed: onPressed,
       icon: icon,
-      label: Text(label),
+      label: Text(label, overflow: TextOverflow.ellipsis),
     );
   }
 }