[Windows][HighDpi]: When showing a messagebox in an environment with a 4k monitor as a secondary screen (not passing the desktop widget parent) then it will not be sized correctly

Screens: 2, High DPI scaling: inactive
# 0 "\\.\DISPLAY1" Depth: 32 Primary: yes
  Geometry: 1920x1200+0+0 Available: 1857x1200+63+0
  Virtual geometry: 5760x2160+0+0 Available: 5697x2160+63+0
  2 virtual siblings
  Physical size: 519x324 mm  Refresh: 59 Hz Power state: 0
  Physical DPI: 93.9653,94.0741 Logical DPI: 96,96 Subpixel_None
  DevicePixelRatio: 1 Pixel density: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

# 1 "\\.\DISPLAY2" Depth: 32 Primary: no
  Geometry: 3840x2160+1920+0 Available: 3778x2160+1982+0
  Virtual geometry: 5760x2160+0+0 Available: 5697x2160+63+0
  2 virtual siblings
  Physical size: 621x341 mm  Refresh: 59 Hz Power state: 0
  Physical DPI: 157.063,160.891 Logical DPI: 144,144 Subpixel_None
  DevicePixelRatio: 1 Pixel density: 2
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0