Select author's email address when committing via web interface

[martinburger]

Feature Description

As a user with multiple email addresses, I want to be able to choose which one to use for my commits via the web interface, to distinguish between different Git identities without having to create separate Gitea accounts.

Screenshots

[kemzeb]

Seems to be a duplicate of #24469

[martinburger]

Oh yeah, I missed that when I was trying to find matching issues.

[wxiaoguang]

-> Support choose email when createing a commit via web UI #33432