Sorry for the delay, I caught up in work. I installed server, server-extra and server-wayland from https://download.opensuse.org/repositories/home:/yudaike:/branches:/SUSE:/SLE-15-SP2:/Update/pool-leap-15.3/x86_64/ I am able to login into option Gnome now. So that works. Another new problem that might need to be reported in new bug is that Welcome screen and my pwd manager application, not Firefox though, haven't tested more apps yet, are rendered as "see through". I only see the outer see through "3D" frame of the window. There is no content at all. Will test more tomorrow or friday. This is after installing above server packages and logging into option Gnome.