fix(RHIXP-3670): Improve framework to be more reliable at high scalability values

[pmacik]

This PR fixes minor issues and introduces minor changes to make the framework more robust:

• Populates users and groups into Keycloak in background (in parallel to RHDH installation) to reduce time of the setup phase.
• Implements waiting timeout floating window for uploading entities to RHDH
• Enables RBAC plugin in OLM installation method
• Adds deploy, populate and benchmark timestamps and durations into the results summary
• Refactors deploy/create_resources script logging

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[pmacik]

/test mvp-helm
/test mvp-olm

[pmacik]

/test mvp-helm
/test mvp-olm

[jhutar]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jhutar, pmacik

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [jhutar,pmacik]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment