Set «Allow to merge» and «Allow to push» in «No one» by default in protected branch dialog
### Proposal
Adding a protected branch could be easier if «Allow to merge» and «Allow to push» fields had as default value "No one" at protecting time.
The actual behavior is a force selection (to enable "Protect"):

I suggest preload "No one" and enable protect by default:

Cause we can change inmediatly in the branch list

~feature ~UX
issue