Add all tenant ancestors to group creation page
Add all tenant ancestors to group creation page

This is to avoid ambiguity in case there are more
tenants with the same name.

https://bugzilla.redhat.com/show_bug.cgi?id=1292165
(transferred from ManageIQ/manageiq@08a4716920e959c901120d7adff20ef9cc533337)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic