This PR fixes a wrong placeholder for the search for milestones. I tested it locally (see attachments, below). Before: https://codeberg.org/attachments/ba845ce1-1f20-4131-a74d-7220986a4acf After: https://codeberg.org/attachments/0c4e32ee-b1a8-4472-837d-daa2a2a50121 Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4628 Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org> Reviewed-by: 0ko <0ko@noreply.codeberg.org> Co-authored-by: Robert Wolff <mahlzahn@posteo.de> Co-committed-by: Robert Wolff <mahlzahn@posteo.de>
