'Manage Topics' will not close when text field is empty

[HeshamTB]

• Gitea version (or commit ref): 1.6.3 30560b0
• Git version: 2.20.1
• Operating system: Arch GNU/Linux
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • [ X ] SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • [ X ] Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

Description

A simple bug. When in 'Code' tab in repo view, the 'Manage Topics' function can not be closed when the text field is empty unless the page is refreshed.
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Screenshots

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs during the next 2 weeks. Thank you for your contributions.

[Ryuno-Ki]

Cannot reproduce on try.gitea.io v 1.17.0+dev-664-g73382d213

[wxiaoguang]

I also did a quick test, it seems that the empty input can be saved correctly by clicking "Done" button.

However, there are some UI/UX problems:

1. Not a11y friendly (it's not an easy task because the a11y of dropdown is not supported by Fomantic UI ....)
2. The input will only be hidden when the network request is done. If user's network is laggy or broken, then clicking "Done" will make users feel that nothing happens.

Maybe this issue can be closed and these problem desires new issues.

[wxiaoguang]

Thank you for reminding this issue, it has been fixed by #23626