[konsole] [Bug 471500] New: White moving line beneath text input when app in focus using 150% scaling on Wayland

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https://bugs.kde.org/show_bug.cgi?id=471500

            Bug ID: 471500
           Summary: White moving line beneath text input when app in focus
                    using 150% scaling on Wayland
    Classification: Applications
           Product: konsole
           Version: 23.04.2
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: tim at avapa.dev
  Target Milestone: ---

Created attachment 159926
  --> https://bugs.kde.org/attachment.cgi?id=159926&action=edit
Video showcasing the bug during user input

SUMMARY
Using 150% display scaling on Wayland, konsole renders a white line beneath the
user's input that moves with every (or every other) keystroke.

STEPS TO REPRODUCE
1. Run KDE in a Wayland session.
2. Set display scaling to 150% on primary display.
3. Make sure konsole is running on primary display and is the focused
application.
4. Enter text.

OBSERVED RESULT
Konsole renders a white underscore beneath the user's input

EXPECTED RESULT
Konsole does not render a white underscore beneath the user's input

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10 (built against 5.15.9)
Display driver: mesa 23.1.3-1 (AMD RX 6750 XT)

ADDITIONAL INFORMATION
I'm running a dual monitor setup with my primary display being a 4K display and
my secondary being a 1080p display.
The primary monitor is set to 150% display scaling, the 1080p is at 100%
(default). This issue only appears on the primary monitor and cannot be
replicated on the second monitor. Furthermore, no modifications to konsole's
default profile have been made. Konsole is running with its default settings.
I've been experiencing this bug for about half a year now.

If you need any additional information or logs, please let me know. I'll
happily provide anything that contributes to th

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