[kde] [Bug 467064] New: Transparency in menus stops working after launching certain apps

[David]

https://bugs.kde.org/show_bug.cgi?id=467064

            Bug ID: 467064
           Summary: Transparency in menus stops working after launching
                    certain apps
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: david.cortes.rivera at gmail.com
  Target Milestone: ---

Created attachment 157119
  --> https://bugs.kde.org/attachment.cgi?id=157119&action=edit
kde_transparent_menu

SUMMARY
Some transparent menus like the po-up when clicking the clock or the
application launcher will stop being transparent after certain apps are
launched.

STEPS TO REPRODUCE
1. Go to System Settings -> Workspace Behavior -> Desktop Effects -> untick
"Background Contrast" and "Blur".
2. Click the applications launcher icon (bottom-left corner in the panel).
Notice that it is transparent.
3. Launch any of the following apps: web browsers, mail clients, kcolourpaint.
4. Close said app.
5. Open the applications launcher again.

OBSERVED RESULT
It's not transparent anymore.

EXPECTED RESULT
Should be transparent. See attached pictures for before/after.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 12
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.1.0-6-amd64 (64-bit)
Graphics Platform: X11
Processors: 20 × 12th Gen Intel® Core™ i7-12700H
Memory: 62.5 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: SLIMBOOK
Product Name: Executive

ADDITIONAL INFORMATION

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