Created attachment 142457 [details]
Dialogs on first monitor

SUMMARY

When I click Shutdown/Restart/Logout the ksmserver-logout-greeter shows boths dialogs on first monitor. It does not happen on Plasma 2.22.5.

STEPS TO REPRODUCE
1. Dual monitors setup
2. Hit the Shutdown/Restart/Logout
3. ksmserver-logout-greeter shows the confirmation screen

OBSERVED RESULT
The dialogs for each monitor are both on first monitor (at position 0,0 of screen)

EXPECTED RESULT
The dialogs are positioned at each monitor

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.23.0
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
Kernel Version: 5.14.12-zen1-1-zen (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-7600K CPU @ 3.80GHz
Memory: 15.6 GiB of RAM
Graphics Processor: AMD Radeon™ HD 8800 Series

ADDITIONAL INFORMATION
xrandr output:
Screen 0: minimum 320 x 200, current 1920 x 1848, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
HDMI-A-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
   1920x1080     60.00*+  50.00    59.94    30.00    25.00    24.00    29.97    23.98  
   1920x1080i    60.00    50.00    59.94  
   1680x1050     59.88  
   1280x1024     75.02    60.02  
   1440x900      74.98    59.90  
   1280x960      60.00  
   1360x768      60.02  
   1280x800      59.91  
   1152x864      75.00  
   1280x720      60.00    50.00    59.94  
   1024x768      75.03    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32    56.25  
   720x576       50.00  
   720x480       60.00    59.94  
   640x480       75.00    72.81    66.67    60.00    59.94  
   720x400       70.08  
DVI-I-0 connected 1366x768+293+1080 (normal left inverted right x axis y axis) 345mm x 194mm
   1366x768      59.96*+
   1024x768      75.03    70.07    60.00  
   800x600       72.19    75.00    60.32    56.25  
   640x480       75.00    59.94  
   720x400       70.08  
DVI-D-1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
HDMI4 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)