[stable29] fix: Proper layout for split view

[backportbot[bot]]

Backport of #2549

Warning, This backport's changes differ from the original and might be incomplete ⚠️

Todo

• [ ] Review and resolve any conflicts

• [x] Amend HEAD commit to remove the line stating to skip CI

Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[elzody]

/compile

[Altahrim]

/compile amend

[Altahrim]

There is a conflict on this one. Can someone take a look?

[elzody]

/compile

[elzody]

/compile amend