update GNOME pattern name (bnc#896021)

...also in the desktop upgrade section

- 12.0.44

- This is actually a fix up for the previous PR https://github.com/yast/skelcd-control-SLES/pull/47

- A backport from IBS is included here (https://build.suse.de/package/rdiff/SUSE:SLE-12:GA/skelcd-control-SLES?linkrev=base&rev=38)