fix: restore AppsSlideToggle feature

[skjnldsv]

Fix #38981
Fix nextcloud/activity#1199
Fix nextcloud/news#2242

cc @AsamK

[skjnldsv]

/backport to stable27

[skjnldsv]

/compile amend /

[susnux]

Is OC not (theoretically) private API? (just asking because in this case probably those apps should migrate?)

[skjnldsv]

Is OC not (theoretically) private API? (just asking because in this case probably those apps should migrate?)

Those apps should indeed migrate, but we need to properly deprecate and publish some documents with an alternative

[szaimen]

🐘

[backportbot-nextcloud]

The backport to stable27 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable27
git pull origin stable27

# Create the new backport branch
git checkout -b fix/foo-stable27

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts. Resolve them.
git cherry-pick abc123

# Push the cherry pick commit to the remote repository and open a pull request
git push origin fix/foo-stable27

More info at https://docs.nextcloud.com/server/latest/developer_manual/getting_started/development_process.html#manual-backport

[szaimen]

/backport to stable27

[backportbot-nextcloud]

The backport to stable27 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable27
git pull origin stable27

# Create the new backport branch
git checkout -b fix/foo-stable27

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts. Resolve them.
git cherry-pick abc123

# Push the cherry pick commit to the remote repository and open a pull request
git push origin fix/foo-stable27

More info at https://docs.nextcloud.com/server/latest/developer_manual/getting_started/development_process.html#manual-backport

[ShGKme]

Those apps should indeed migrate, but we need to properly deprecate and publish some documents with an alternative

@skjnldsv So, should we deprecate it in Nextcloud 29?