[PATCH 0/1] MR8820: winewayland: Mark only windows with per-pixel alpha as layered.

[Alexandros Frantzis (＠afrantzis)]

This avoids using buffers with an alpha channel for windows that
use SetLayeredWindowAttributes() and don't really utilize
per-pixel alpha.

Fixes: 6f8f5fe7bf989ba1429bc42114091e8416ad1a7c
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58504