[dolphin] [Bug 475357] New: Regression in Dolphin 23.08.1 - Expandable folders in Details view mode broken

[Anon]

https://bugs.kde.org/show_bug.cgi?id=475357

            Bug ID: 475357
           Summary: Regression in Dolphin 23.08.1 - Expandable folders in
                    Details view mode broken
    Classification: Applications
           Product: dolphin
           Version: 23.08.1
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: view-engine: details mode
          Assignee: dolphin-bugs-null at kde.org
          Reporter: pxi59490 at nezid.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 162158
  --> https://bugs.kde.org/attachment.cgi?id=162158&action=edit
screenshot of the issue

SUMMARY
Expandable folders in Details view mode broken.

This issue is not present on the system device, only on secondary LUKS volumes
located on other HDDs. Dolphin seems to consider these volumes non-permanent as
the Unmount button is visible in the left panel Devices section. They are
screwed into the PC case, unlocked by systemd-boot and mounted by fstab, so
definitely not temporary.

Downgrading to 23.04.3 fixes this issue.

I have included screenshot as attachment.

STEPS TO REPRODUCE
Expand folders and click F5 to refresh.

OBSERVED RESULT
Second folder is now unexpanded and third folder shows 0 items in Size column.

EXPECTED RESULT
Nothing should happen.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.11
Graphics Platform: X11

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