feat: query self RBAC list permissions before attempting to clean up orphans

[razvan]

Description

Fixes #1176.

Tested with the OPA operator and can confirm that the 403 responses are gone.

Test results:

--- FAIL: kuttl (602.50s)
    --- FAIL: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/resources_opa-latest-1.12.3_openshift-false (20.95s)
        --- PASS: kuttl/harness/smoke_opa-1.12.3_openshift-false_use-tls-true (66.44s)
        --- PASS: kuttl/harness/logging_opa-1.12.3_openshift-false (89.08s)
        --- PASS: kuttl/harness/smoke_opa-1.12.3_openshift-false_use-tls-false (62.79s)
        --- PASS: kuttl/harness/cluster-operation_opa-latest-1.12.3_openshift-false (37.44s)
        --- PASS: kuttl/harness/logging_opa-1.8.0_openshift-false (98.17s)
        --- PASS: kuttl/harness/openldap-user-info_opa-latest-1.12.3_openshift-false (90.08s)
        --- PASS: kuttl/harness/keycloak-user-info_opa-latest-1.12.3_keycloak-23.0.1_openshift-false (196.53s)
        --- PASS: kuttl/harness/smoke_opa-1.8.0_openshift-false_use-tls-true (57.99s)
        --- PASS: kuttl/harness/smoke_opa-1.8.0_openshift-false_use-tls-false (62.21s)
        --- FAIL: kuttl/harness/aas-user-info_opa-latest-1.12.3_openshift-false (394.14s)
FAIL
ERROR:root:kuttl failed

• The failed test is not related

Definition of Done Checklist

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Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible

Reviewer

• Code contains useful comments
• Code contains useful logging statements
• (Integration-)Test cases added
• Documentation added or updated. Follows the style guide.
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added

[razvan]

In talks with @sbernauer, we decided not to merge this.
The existing debug messages have their purpose.
This PR would also add additional (debug) messages while also increasing the complexity of the code for no good reason.