Allow to copy another user rights for a new user

[ptitFicus]

Home/User/ Invite New User form : we need to enhance the user invitation process by allowing the assignment of rights from an existing user to the newly invited user. Therefore, we should add a new select button Copy User Rights that allow us to select an existing user.

[helakaraa]

Cases "Test User Invitation"

• [x] Create a user from a copy-rights-only user with no rights but add tenant rights.
• [x] Create a user from a copy-rights-only user but with no rights.
• [x] Create a user with full permissions.
• [x] Create a user with both copy rights and tenant rights(if copied rights contains the same tenant rights, we keep the tenant rights)
• [x] Create a user with tenant rights only.
• [x] Create a user with copy rights only.
• [x] Create a user with no rights but as an admin.
• [x] Create a user with no rights.