fix: delete_job_groups instance authorization

[sofyalaski]

Description

When in .env delete-job-group was set to admin, flowing the authorization logic, admin should be able to delete a job. Instead, this user would get denied access.

Motivation

fix this

Fixes

user can delete a job based on delete-job-group

Changes:

• In casl, the endpoint authorization lines for JobDelete are separated into their own if/else clauses
• added admin to delete_job_group in tests workflow
• 1920 test shour return a successful status code
• test for getting are adapted to minus one deleted test.

Tests included

• Included for each change/fix?
• Passing?

Documentation

• swagger documentation updated (required for API changes)
• official documentation updated

[sbliven]

Thanks for the fix!

[sofyalaski]

Thanks for the fix!

then I will create another PR for scicatlive. there was a change in env for tests again..