Better authority check when starting Debug Service

[sebjulliand]

Changes

Resolves #2551

This PR changes the checks performed when starting the Debug Service. It now allows a user with *USE authority on a profile with *ALLOBJ authority to start the debug service (i.e. when changing the USER parameter when prompted to submit the Debug Service start script).

If the user doesn't have the *USE authority on the other profile, an error will show up:

How to test this PR

You'll need:

• a profile A with *ALLOBJ authority
• a profile B without *ALLOBJ and with no authority on profile A

1. Connect with profile B
2. Start the Debug Service and when prompted for the SBMJOB command, change the USER parameter to use profile A
3. An error must show up to inform you that you don't have *USE authority on profile A
4. Give *USE authority to profile B on profile A
5. Re-do step 2.
6. The service must start

Checklist

• have tested my change

[github-actions]

👋 A new build is available for this PR based on a8af00f.

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