User List and Profile Pages for Maintainers and Admin

• Maintainers and Admin both can see the User Details Page.
• Only Admin can update user details like role or is_active
• Maintainers cannot see the User List Page, but Admins can see the User List page (on a new tab).
• The SubmittedBy and ReviewedBy columns from UpdateItems and NovelCondensates should hyperlink to the user page (detail page visible to maintainers)