x11-drivers/xorgxrdp: update 0.2.6 -> 0.2.7 and backport some patches
Backport these fixes for invalid memory access:
Approved by: hrs (mentor)
Obtained from: upstream
Relnotes: https://github.com/neutrinolabs/xorgxrdp/releases/tag/v0.2.7
Sponsored by: HAW International, Inc.
Differential Revision: https://reviews.freebsd.org/D16601