Related #20471
This PR adds global quota limits for the package registry. Settings for
individual users/orgs can be added in a seperate PR using the settings
table.
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
I noticed an admin is not allowed to upload packages for other users
because `ctx.IsSigned` was not set.
I added a check for `user.IsActive` and `user.ProhibitLogin` too because
both was not checked. Tests enforce this now.
Co-authored-by: Lauris BH <lauris@nix.lv>