[gui] refactor message handling for pvr dialogs
[win32] Fix best dxva deinterlacing on Intel platforms.
Merge pull request #2916 from afedchin/fix_intel_dxva

[win32] fix: best dxva deinterlacing on Intel platforms.
[gui] focus default control for pvr dialogs
Merge pull request #2912 from xhaggi/pvr-refactor-and-focus-fix

[gui] refactor and focus fix for pvr dialogs