Copying a code block line contains a trailing newline

[drifter75]

Description

when you copy a code block using the copy button it results in a trailing new line.

https://try.gitea.io/andrewimeson/actions_schedule

Gitea Version

1.21.4

Can you reproduce the bug on the Gitea demo site?

Yes

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

using docker

Database

PostgreSQL

[silverwind]

IIRC this was done because it previously matched GitHub behaviour, but I see GitHub had changed it to remove the newline, so we should follow suit.

[github-actions]

Automatically locked because of our CONTRIBUTING guidelines