UX: adds hover title with full date to admin users columns (PR #13913)

This PR adds a hover title to the user’s created column in the admin users list.

/admin/users/list/active

GitHub

LGTM :+1:

Is that the only place where we’re missing a title (and we can easily add it)?

The title of this pull request changed from “UX: adds hover title with full date to admin users created column” to "UX: adds hover title with full date to admin users columns

LGTM

Is that the only place where we’re missing a title (and we can easily add it)?

There’s a couple more columns we can add this to. last_seen and last_emailed

I updated the PR to add those as well.