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Is there an existing issue for this?

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Version

11.0.0

Bug description

After the update from 10 to 11.0.0, when editing a dashboard and viewing it again, the changes are not saved correctly.
Sometimes they are reverted, sometimes the dashboard is completely messed up.

Relevant log output

No entries in the logs.

Page URL

No response

Steps To reproduce

1. Update from 10 to 11
2. Go the central dashboard and edit it. Change the position from some elements.
3. Save and leave editing mode
4. Refresh the page
5. Result: The changes are either not saved or the dashboard looks completely different (position of the elements).

Your GLPI setup information

Synology DSM, Web Station with PHP 8.2

Anything else?

Tested in Chrome and Safari.