Checklist changes not saved in modal view

[wiertz]

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Describe the bug
In the modal view of a card, changing the status of a checkbox in the card description is not saved. After closing the modal, the status is returned to the previous state. Disabling the modal view and doing the same in the sidebar works fine.

To Reproduce
Steps to reproduce the behavior:

1. Activate modal card view
2. Click on a card that contains a checkbox in the description (or create one)
3. Click on the checkbox to change its state
4. Close the modal and reopen the card

Expected behavior
State should be saved on closing the modal.

Client details:

• OS: OSX
• Browser: Tested on Chrome and Safari
• Version: latest
• Device: MacBook Pro

Server details

Operating system:
Linux 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64

Web server:
Apache/2.4.29 (Ubuntu) (apache2handler)

Database:
mysql 10.4.14

PHP version:
7.3.22-1+ubuntu18.04.1+deb.sury.org+1

Nextcloud version: (see Nextcloud admin page)
19.0.4 - 19.0.4.2

Login as admin user into your Nextcloud and access
http://example.com/index.php/settings/integrity/failed
paste the results here.

List of activated apps:

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your Nextcloud installation folder

Nextcloud configuration:

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

or

Insert your config.php content here
Make sure to remove all sensitive content such as passwords. (e.g. database password, passwordsalt, secret, smtp password, …)

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...

Logs

Nextcloud log (data/nextcloud.log)

Insert your Nextcloud log here

Browser log

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

[jakobroehrl]

duplicate of #2351