[desktop web] Invite new moderator dialog "Invite" button is inactive
Reported
- https://www.reddit.com/r/ModSupport/comments/1gufqfg/i_am_primary_mod_with_everything_permissions_why/
- https://www.reddit.com/r/modhelp/comments/1guemcd/problems_adding_moderators/
To replicate
- Mods & Members
- +Invite Mod - modal box appears; invite button is inactive.
- Select any user (including users with positive post karma) - Invite button remains inactive
