Providing additional information like number of invites and number of
bots owned by deactivating user in the confirm_deactivate_user modal
will help the administrator if they need to do any follow-up work.
Fixes#20973.
Completed-by: Ganesh Pawar <pawarg256@gmail.com>
Moved `deactivation_user` modal to the `confirm_dialog`
folder within `/static/templates` and renamed the modal to
to `confirm_deactivate_user.hbs` to follow the
common naming convention.