Adding more checkboxes deletes content on mobile

[Giszmo]

Description

Adding checkboxes in the markdown editor deletes the last word of the prior line on mobile.

To reproduce:

1. Open try.gitea on Android Firefox
2. Create issue
3. Type "some sentence"
4. Click the "checkbox" button

Result

some
- [ ]

Expected (and result on Firefox desktop)

some sentence
- [ ]

Gitea Version

1.17.0+dev-428-gdeffe9e52

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?

I noticed the issue on an install from snap but it's reproducible on try.gitea, too.

Database

No response

[wxiaoguang]

This issue could be resolve by

• Introduce GitHub markdown editor, keep EasyMDE as fallback #23876

[delvh]

Yes, please try the latest state i.e. on https://try.gitea.io, and reopen this issue if it is still present.