[Bug 38622] gdiplus should return PixelFormat32bppARGB instead of PixelFormat8bppIndexed for a grayscale PNG file

https://bugs.winehq.org/show_bug.cgi?id=38622

Dmitry Timoshkov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|PixelFormat32bppARGB !=     |gdiplus should return
                   |PixelFormat8bppIndexed      |PixelFormat32bppARGB
                   |                            |instead of
                   |                            |PixelFormat8bppIndexed for
                   |                            |a grayscale PNG file

--- Comment #8 from Dmitry Timoshkov  ---
This needs to be tested on both WIC and gdiplus sides.