Import groups in a space

[zak39]

This PR implements the import of group. Anyway the group type : LDAP, Database and so on.

When the type of group is anything but database. We hide a few buttons : Delete Group or Space, Add or Remove User and Add user.

Demo

Can you confirm me @dorianne-arawa ?

TODO

• [ ] Fix bugs if existing
• [ ] Update the release and Changelog
• [x] Change the subgroup gid