Update deepin-branding-openSUSE to version 15.4 / rev 5 via SR 1000260
https://build.opensuse.org/request/show/1000260
by user hillwood + dimstar_suse
- Update com.deepin.dde.dock.gschema.xml and com.deepin.xsettings.gschema.xml
- Update com.deepin.dde.dock.gschema.xml