fix: add non-standard default roles to filtering

[lechnerc77]

Purpose

• Adding non-standard default roles to be considered during export i.e. filtered out from export.
• closes [BUG] Error when re-creating subaccount due to read-only role #486

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[X] Bugfix
[ ] Feature
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Test the code via automated test

make test

What to Check

Verify that the following are valid:

• Automated tests are executed successfully

Other Information

Some default rolöes doe not follow the standard XSUAA pattern of having IsReadOnly true and empty attribute list. A case by case clarification is needed to identify such roles and exclude them from export.

Checklist for reviewer

The following organizational tasks must be completed before merging this PR:

• The PR status on the Project board is set (typically "in review").
• The PR has the matching labels assigned to it.
• If the PR closes an issue, the issue is referenced.
• Possible follow-up issues are created and linked.

[sonarqubecloud]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud