Fix taskbar preview scaling.

This commit fixes reggresion introduced in
82f8656202b16e867be41f265412dc9e2c6fc93b

Fixes #4207
Mark VMR-7 (renderless) unavailable if desktop width or height is higher
than 2048px.

Renderer fails to initialize in this case.
Extend copyright year check in pre-commit hook.

Support `yyyy-yyyy, yyyy` format
Add ColorConvTable.

Thanks to XY.