Re-request review do not work

[melmus]

• Gitea version (or commit ref):
  1.13.0+dev-600-g4f8dad37f

• Git version host system:
  2.17.1

• Git version in docker gitea_server_1:
  2.26.2

• Operating system:
  Ubuntu 18.04.3 LTS

• Database (use [x]):

  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite

• Can you reproduce the bug at https://try.gitea.io:

  • Yes (provide example URL)
  • No
  • Not relevant

• Log gist:

Description

When I created pull request, my colleagues saw this and review. After review, I need inserted new changes. I press the Re-Request Button, and nothing changes.

Screenshots

[6543]

fixed by #12039