fix(tests): Add condition for including file permission

[adwk67]

Description

Fixes issue described here: https://github.com/stackabletech/opa-operator/pull/800/changes#r2726615976

EKS

--- PASS: kuttl (136.27s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/smoke_opa-1.12.2_openshift-false_use-tls-false (31.21s)
        --- PASS: kuttl/harness/smoke_opa-1.8.0_openshift-false_use-tls-false (31.32s)
        --- PASS: kuttl/harness/smoke_opa-1.8.0_openshift-false_use-tls-true (35.98s)
        --- PASS: kuttl/harness/smoke_opa-1.12.2_openshift-false_use-tls-true (35.67s)
PASS

K3S

--- PASS: kuttl (366.09s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/aas-user-info_opa-latest-1.12.2_openshift-false (39.15s)
        --- PASS: kuttl/harness/openldap-user-info_opa-latest-1.12.2_openshift-false (44.47s)
        --- PASS: kuttl/harness/cluster-operation_opa-latest-1.12.2_openshift-false (33.70s)
        --- PASS: kuttl/harness/smoke_opa-1.12.2_openshift-false_use-tls-false (25.28s)
        --- PASS: kuttl/harness/logging_opa-1.12.2_openshift-false (48.91s)
        --- PASS: kuttl/harness/resources_opa-latest-1.12.2_openshift-false (19.74s)
        --- PASS: kuttl/harness/keycloak-user-info_opa-latest-1.12.2_keycloak-23.0.1_openshift-false (153.11s)
PASS

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Helm chart can be installed and deployed operator works
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible
• Links to generated (nightly) docs added
• Release note snippet added

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
• Links to generated (nightly) docs added
• Release note snippet added
• Add type/deprecation label & add to the deprecation schedule
• Add type/experimental label & add to the experimental features tracker

[sbernauer]

Thanks!