Checkboxes in task description require page refresh

[cortl]

Description

There are a few issues around checkboxes in descriptions, sometimes the boxes do not check/uncheck.

Steps to Reproduce

1. Add a task, create a description

[] test

2. Click save
3. Check test
4. Refresh page
5. test should be checked, but isn't

Vikunja Version

v0.24.1

Browser and version

Brave

Can you reproduce the bug on the Vikunja demo site?

Yes

Screenshots

You can see here where I checked a box, saved, then unchecked the box. The result should be that "0 of 2 tasks" and the text should not have strikethrough styling. Refreshing the page will also show this checkbox checked again.

[kolaente]

https://community.vikunja.io/t/tasks-list-in-description-completely-broken/2490/2