[Cloud Security] Fix data view's flaky FTR

[CohenIdo]

Solves:

• Failing test: X-Pack Cloud Security Posture Functional Tests.x-pack/test/cloud_security_posture_functional/data_views/data_views - Data Views Verify data view is created once user reach the dashboard page - default space #189854

Summary

• Resolve flakiness.
• Update the test logic to verify the creation of both the misconfigurations and vulnerabilities data views.

[elasticmachine]

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[kibanamachine]

Flaky Test Runner Stats

🟠 Some tests failed. - kibana-flaky-test-suite-runner#7030

[❌] x-pack/test/cloud_security_posture_functional/data_views/config.ts: 13/50 tests passed.

see run history