https://bugs.kde.org/show_bug.cgi?id=476037

            Bug ID: 476037
           Summary: external monitor disabled temporarily upon DPMS on
    Classification: Plasma
           Product: plasmashell
           Version: 5.27.8
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Session Management
          Assignee: plasma-b...@kde.org
          Reporter: jirisl...@gmail.com
  Target Milestone: 1.0

SUMMARY
If both monitors:
> Output: 1 eDP-1 enabled connected priority 1 Panel Modes: 0:1920x1200@60*! 
> 1:1920x1200@50 2:1920x1200@48 3:1920x1080@60 4:1600x1200@60 5:1680x1050@60 
> 6:1280x1024@60 7:1440x900@60 8:1280x800@60 9:1280x720@60 10:1024x768@60 
> 11:800x600@60 12:640x480@60 13:1600x1200@60 14:1280x1024@60 15:1024x768@60 
> 16:1920x1200@60 17:1280x800@60 18:1920x1080@60 19:1600x900@60 20:1368x768@60 
> 21:1280x720@60 Geometry: 489,1440 1536x960 Scale: 1.25 Rotation: 1 Overscan: 
> 0 Vrr: Automatic RgbRange: unknown
> Output: 2 DP-7 enabled connected priority 2 DisplayPort Modes: 
> 0:3840x2160@60*! 1:3840x2160@60 2:3840x2160@60 3:3840x2160@50 4:3840x2160@30 
> 5:3840x2160@30 6:3840x2160@30 7:2560x1440@60 8:1920x1080@60 9:1920x1080@60 
> 10:1920x1080@60 11:1920x1080@50 12:1920x1080@50 13:1680x1050@60 
> 14:1600x900@60 15:1280x1024@75 16:1280x1024@60 17:1440x900@60 18:1280x800@60 
> 19:1152x864@75 20:1280x720@60 21:1280x720@60 22:1280x720@60 23:1280x720@50 
> 24:1024x768@75 25:1024x768@70 26:1024x768@60 27:832x624@75 28:800x600@75 
> 29:800x600@72 30:800x600@60 31:800x600@56 32:720x576@50 33:720x480@60 
> 34:720x480@60 35:640x480@75 36:640x480@73 37:640x480@67 38:640x480@60 
> 39:640x480@60 40:720x400@70 41:1600x1200@60 42:1280x1024@60 43:1024x768@60 
> 44:2560x1600@60 45:1920x1200@60 46:1280x800@60 47:3840x2160@60 
> 48:3200x1800@60 49:2880x1620@60 50:2560x1440@60 51:1920x1080@60 
> 52:1600x900@60 53:1368x768@60 54:1280x720@60 Geometry: 0,0 2560x1440 Scale: 
> 1.5 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: unknown

go to DPMS off due to inactivity, waking DP-7 up takes so long, that windows
are moved to eDP-1 temporarily for a second or two. Then again, all windows are
restored to DP-7. 

STEPS TO REPRODUCE
1. be inactive
2. monitors go to sleep
3. move mouse
4. internal monitor on eDP-1 resumes quickly
5. windows from original DP-7 are moved to eDP-1
6. monitor on DP-7 resumes only now
7. windows are restored to DP-7

OBSERVED RESULT
windows are moved back and forth

EXPECTED RESULT
it is wait for the monitor to appear. Maybe to low timeout is set?

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20231022
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.111.0
Qt Version: 5.15.11
Kernel Version: 6.5.9-rc1-1.ga138c10-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 PRO 6850U with Radeon Graphics
Memory: 29.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: LENOVO
Product Name: 21CRS0K83K
System Version: ThinkPad T14s Gen 3

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