REVIEW: User ui fixes

https://issues.sonatype.org/browse/NEXUS-6807
https://issues.sonatype.org/browse/NEXUS-6808
https://issues.sonatype.org/browse/NEXUS-6825
https://issues.sonatype.org/browse/NX-703
It is not possible at the moment. Agree it would be better such a separation but there are just a few places where we have an "or". Dunno if it worth the effort. Create an issue so we do not forget about it?