fix #26427 related https://github.com/go-gitea/gitea/pull/25258 --- Before: ![gitea](https://github.com/go-gitea/gitea/assets/50507092/ed8d3a17-1f63-42f2-a698-3b684e70dc91) --- After: ![After](https://github.com/go-gitea/gitea/assets/50507092/b8e1338f-c520-4abc-b0df-b812c021ac7e)
new/edit milestone