Upgrade allow adding image in ticket details page comment section

app/services/notification_service.py

@@ -226,6 +226,16 @@ def notify_comment_added(comment):
         'body'       : comment.body,
         'created_at' : comment.created_at.strftime('%b %d, %Y %H:%M'),
         'author_id'  : comment.author_id,
+        'can_delete' : True,   # the author always can; recipient-side JS checks role too
+        'attachments': [
+            {
+                'id'       : a.id,
+                'filename' : a.filename,
+                'mime_type': a.mime_type or '',
+                'is_image' : (a.mime_type or '').startswith('image/'),
+            }
+            for a in comment.attachments.all()
+        ],
     }
     def _emit_comment():
         socketio.emit(