Crash when Sync is put on hold and folder sync connections are removed

⚠️ Before submitting, please verify the following: ⚠️

[X] This is a bug, not a question or a configuration issue.
[X] This issue is not already reported on Github (I've searched it).
[X] Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
[X] I agree to follow Nextcloud's Code of Conduct

Bug description

The share dialog is looking incomplete. ... Nextcloud Desktop Client crashes when Sync is put on hold and folder sync connections are removed.

Steps to reproduce

Select Pause Sync for All
Select Settings
From sync connection options select Remove folder sync connection ...

Expected behavior

After folder connection is removed client should continue to run. ...

Which files are affected by this bug

Unknown

Operating system

Linux

Which version of the operating system you are running.

Distro - Archlinux, DE - KDE Plasma

Package

Distro package manager

Nextcloud Server version

25.0.8

Nextcloud Desktop Client version

3.9.0

Is this bug present after an update or on a fresh install?

Updated from a minor version (ex. 3.4.2 to 3.4.4)

Are you using the Nextcloud Server Encryption module?

Encryption is not Enabled

Are you using an external user-backend?

[ ] Default internal user-backend
[ ] LDAP/ Active Directory
[ ] SSO - SAML
[ ] Other

Nextcloud Server logs

[1]    3520 segmentation fault (core dumped)  nextcloud --logwindow

Additional info

2023-07-17 11:45:06:440 [ debug nextcloud.gui.socketapi /usr/src/debug/nextcloud-client/nextcloud-client/src/gui/socketapi/socketapi.cpp:369 ]  [ OCC::SocketApi::slotReadSocket ]: Received SocketAPI message <-- "RETRIEVE_FILE_STATUS:/tmp/Nextcloud-logdir/20230717_1143_nextcloud.log.0" from QLocalSocket(0x561e8eddbb40)
2023-07-17 11:45:06:440 [ debug nextcloud.gui.socketapi /usr/src/debug/nextcloud-client/nextcloud-client/src/gui/socketapi/socketapi.cpp:212 ]  [ OCC::SocketListener::sendMessage ]:   Sending SocketAPI message --> "STATUS:NOP:/tmp/Nextcloud-logdir/20230717_1143_nextcloud.log.0" to QLocalSocket(0x561e8eddbb40)
2023-07-17 11:45:06:754 [ info nextcloud.gui.folder.manager /usr/src/debug/nextcloud-client/nextcloud-client/src/gui/folderman.cpp:1295 ]:  Removing  "6"
2023-07-17 11:45:06:754 [ info nextcloud.sync.database /usr/src/debug/nextcloud-client/nextcloud-client/src/common/syncjournaldb.cpp:662 ]: Closing DB "/home/user/Documents/Nextcloud/.sync_36638bba715c.db"
2023-07-17 11:45:06:755 [ debug nextcloud.sync.database /usr/src/debug/nextcloud-client/nextcloud-client/src/common/syncjournaldb.cpp:255 ] [ OCC::SyncJournalDb::commitTransaction ]:  No database Transaction to commit
2023-07-17 11:45:06:759 [ info nextcloud.gui.folder /usr/src/debug/nextcloud-client/nextcloud-client/src/gui/folder.cpp:847 ]:  wipe: Removed csync StateDB  "/home/user/Documents/Nextcloud/.sync_36638bba715c.db"

nextcloud / desktop

Crash when Sync is put on hold and folder sync connections are removed #5895