Commit b033bd1f for guacamole.apache.org

commit b033bd1ffe9839ee115e9349555b2880ef6be149
Merge: 46f9f685 89cff7b7
Author: Virtually Nick <necouchman@users.noreply.github.com>
Date:   Sun Mar 1 09:52:52 2026 -0500

    GUACAMOLE-2234: Merge fix race condition in non-opaque layer clearing across display worker threads.