desktop: [Bug]: Desktop app hangs after user login through simulated Gitlab SSO.

Checks before filing an issue

• This issue doesn’t reproduce on web browsers (such as in Chrome). If it does, issue reports go to the Mattermost Server repository.
• I have checked the issue tracker and have not found an issue that matches the one I’m filing.
• This issue is not a troubleshooting question. Troubleshooting questions go here: https://forum.mattermost.com/c/trouble-shoot/16.
• This issue is not a feature request. You can request features and make product suggestions here: https://mattermost.com/suggestions/.
• This issue reproduces on the most recent stable version, or the most recent prerelease version of the Mattermost Desktop App.
• I have read the contribution guidelines.

Mattermost Desktop Version

5.5.1

Operating System

Fedora 37

Mattermost Server Version

9.1.0

Steps to reproduce

1. install keycloak
2. create a realm
3. create a client
4. config client add mappers to simulate gitlab
5. add a user
6. open desktop app to login with user created in step 5

Expected behavior

desktop load main UI, after user login in browser

Observed behavior

desktop app hangs at:

Please Note: while in browser, I can click Open Mattermost in your browser, then use Mattermost as a user signed in…

Log Output

nothing useful:

[2023-10-25 16:08:46.161] [debug] [ViewManager] focusCurrentView
[2023-10-25 16:08:46.162] [debug] [ServerDropdownView] handleClose
[2023-10-25 16:08:46.163] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.164] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.165] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:46.166] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:46.167] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.167] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:46.168] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:46.169] [debug] [ServerDropdownView] handleClose
[2023-10-25 16:08:46.170] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.170] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.171] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:46.171] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:46.172] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:46.173] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:46.173] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:51.594] [debug] [ViewManager] focusCurrentView
[2023-10-25 16:08:51.883] [debug] [ServerDropdownView] handleClose
[2023-10-25 16:08:51.884] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:51.884] [debug] [DownloadsDropdown...] handleClose
[2023-10-25 16:08:51.885] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:51.885] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:53.949] [debug] [App.Utils] flushCookiesStore
[2023-10-25 16:08:53.950] [debug] [ViewManager] handleSetCurrentViewBounds { x: 0, y: 60, width: 2290, height: 1240 }
[2023-10-25 16:08:53.951] [debug] [ModalManager] handleResizeModal {
  bounds: { x: 0, y: 60, width: 2290, height: 1240 },
  modalQueueLength: 0
}
[2023-10-25 16:08:53.951] [debug] [App] [ServerViewState] getCurrentServer
[2023-10-25 16:08:53.952] [debug] [DownloadsDropdown...] updateWindowBounds
[2023-10-25 16:08:53.952] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenu
[2023-10-25 16:08:53.952] [debug] [DownloadsDropdown...] updateDownloadsDropdownMenuItem {}
[2023-10-25 16:08:53.953] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:53.953] [debug] [DownloadsDropdown...] updateWindowBounds
[2023-10-25 16:08:53.954] [debug] [DownloadsDropdown...] updateDownloadsDropdown
[2023-10-25 16:08:54.073] [debug] [App.Initialize] UserActivityMonitor.on(status) { userIsActive: true, idleTime: 0, isSystemEvent: false }
[2023-10-25 16:09:54.141] [debug] [App.Initialize] UserActivityMonitor.on(status) { userIsActive: true, idleTime: 2, isSystemEvent: false }
[2023-10-25 16:10:54.205] [debug] [App.Initialize] UserActivityMonitor.on(status) { userIsActive: true, idleTime: 2, isSystemEvent: false }

### Additional Information

broswer version: google chrome 118.0.5993.88