ginkgo test for GITOPS-5701-1-122_validate_user_defined_appproject

[Naveena-058]

What does this PR do / why we need it:
Adds a new Ginkgo E2E test to validate user-defined AppProject behavior with SourceNamespaces configuration.
This ensures Applications created from allowed source namespaces are reconciled, RBAC resources are generated, and sync/health status works as expected.

This test improves coverage for namespace management and prevents regressions related to SourceNamespaces and AppProject interactions.

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

https://issues.redhat.com/browse/GITOPS-5701

Fixes #?

Test acceptance criteria:

• Unit Test
• E2E Test

How to test changes / Special notes to the reviewer:

[svghadi]

There is mis-match between file name and test name. Rest all looks good. Thanks

/lgtm

[svghadi]

Can you update the file name to match the test name i.e 122_validate_user_defined_appproject.

[svghadi]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: svghadi

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[openshift-ci]

New changes are detected. LGTM label has been removed.

[openshift-ci]

@Naveena-058: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v4.14-e2e	c8e50c1	link	true	/test v4.14-e2e
ci/prow/v4.14-kuttl-parallel	c8e50c1	link	false	/test v4.14-kuttl-parallel
ci/prow/v4.14-kuttl-sequential	c8e50c1	link	false	/test v4.14-kuttl-sequential

Full PR test history. Your PR dashboard.

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