chore(e2e test) port 1-050_validate_dex_sso_rbac_migration Kuttle test to Ginko

[aali309]

What type of PR is this?
This PR ports 1-050_validate_dex_sso_rbac_migration to Ginko test

/kind enhancement

What does this PR do / why we need it:

Have you updated the necessary documentation?

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

Which issue(s) this PR fixes:

Fixes #?

Test acceptance criteria:

• Unit Test
• E2E Test

How to test changes / Special notes to the reviewer:

[openshift-ci]

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[aali309]

/retest

[aali309]

/retest

[openshift-ci]

@aali309: The following test 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-kuttl-sequential	1be648a	link	true	/test v4.14-kuttl-sequential

Full PR test history. Your PR dashboard.

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