[Bug]: NC Desktop crashes after file/folder unshare action

[Go-rom]

⚠️ Before submitting, please verify the following: ⚠️

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

Bug description

Client crashes when i unshare a file or folder (public share link)

Steps to reproduce

1. Right click on a shared file/dialog
2. Click on Share Options
3. Click Unshare

Expected behavior

When clicking unshare button, client shouldn't crash.

Which files are affected by this bug

any file/folder

Operating system

Linux

Which version of the operating system you are running.

Linux Mint 21.3

Package

Distro package manager

Nextcloud Server version

30.0.4.1

Nextcloud Desktop Client version

3.15.3

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

Updated to a major version (ex. 3.3.6 to 3.4.0)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

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

Nextcloud Server logs

Additional info

Here's an animated GIF

Please note that this GIF also shows this bug : #7734

Here's the NC desktop log (3.15.2 but issue still present with 3.15.3)

2024-12-22 00:36:17:707 [ info nextcloud.gui.folder.manager ./src/gui/folderman.cpp:1171 ]:	<========== Sync finished for folder [Nextcloud] of account [XXXXXXXX] with remote [https://XXXXXX/remote.php/dav/files/XXXXX/]
2024-12-22 00:36:18:139 [ info nextcloud.sync.accessmanager ./src/libsync/accessmanager.cpp:67 ]:	6 "DELETE" "https://XXXXXXXX/ocs/v2.php/apps/files_sharing/api/v1/shares/535?format=json" has X-Request-ID "0b377b47-0f3d-4b5e-a53c-c34c749d5620"
2024-12-22 00:36:18:139 [ info nextcloud.sync.networkjob ./src/libsync/abstractnetworkjob.cpp:365 ]:	OCC::OcsShareJob created for "https://XXXXXXXXX" + "ocs/v2.php/apps/files_sharing/api/v1/shares/535" ""
2024-12-22 00:36:18:262 [ info nextcloud.sync.credentials.webflow ./src/gui/creds/webflowcredentials.cpp:405 ]:	request finished
2024-12-22 00:36:18:289 [ warning default qrc:/qml/src/gui/filedetails/ShareDelegate.qml:69 ]:	qrc:/qml/src/gui/filedetails/ShareDelegate.qml:69: TypeError: Cannot read property 'left' of null
2024-12-22 00:36:18:289 [ warning default qrc:/qml/src/gui/filedetails/ShareDelegate.qml:70 ]:	qrc:/qml/src/gui/filedetails/ShareDelegate.qml:70: TypeError: Cannot read property 'right' of null