This PR adds support to Owner roles.
The owner role has a similar access level as the admin, but it has the power to delete the account.
Besides that, the role has the following constraints:
- The role can only be transferred. So, only a user with the owner role can transfer the owner role to a new user
- It can't be assigned to users being invited
- It can't be assigned to service users
* Enforce admin service user role for integration group deletion
Added a check to prevent non-admin service users from deleting integration groups.
* Restrict deletion of integration user to admin service user only
* Refactor user and group deletion tests
* extends user and group structure by introducing fields for issued and integration references
* Add integration checks to group management to prevent groups added by integration.
* Add integration checks to user management to prevent deleting user added by integration.
* Fix broken user update tests
* Initialize all user fields for testing
* Change a serializer option to embedded for IntegrationReference in user and group models
* Add issued field to user api response
* Add IntegrationReference to Group in update groups handler
* Set the default issued field for users in file store
Restructure data handling for improved performance and flexibility.
Introduce 'G'-prefixed fields to represent Gorm relations, simplifying resource management.
Eliminate complexity in lookup tables for enhanced query and write speed.
Enable independent operations on data structures, requiring adjustments in the Store interface and Account Manager.
* Check links of groups before delete it
* Add delete group handler test
* Rename dns error msg
* Add delete group test
* Remove rule check
The policy cover this scenario
* Fix test
* Check disabled management grps
* Change error message
* Add new activity for group delete event
