"Last changed by" does not update after edit, only after page reload

[alexanderdd]

To Reproduce
Steps to reproduce the behavior:

1. edit a page
2. click "done"
3. "Last changed by userXY" (under the title) does not change

Expected behavior
"Last changed by userXY" should update instantly after finishing editing

Server details:

• Collectives app version: cant access, it's on c.nc.com
• Nextcloud version: 29.0.4 RC1