CLSA-2025-1763651916 xorg-x11-server-Xwayland: Fix of 4 CVEs

CVE-2023-1393: fix use-after-free in compositor overlay window by clearing dangling COW pointer - CVE-2024-31080: prevent heap over-read in ProcXIGetSelectedEvents caused by using byte-swapped length values in replies. - CVE-2024-31081: fix buffer over-read in ProcXIPassiveGrabDevice by using...