[AFS] Add e2e baseline test for Admission Fair Sharing

[PBundyra]

What would you like to be added:
Add e2e baseline test for Admission Fair Sharing into the test/e2e/customconfigs. The scenario could look like this:

• Create 2 LQs pointing to the same CQ
• Saturate quota with workloads coming from lq-a
• Create more workloads from lq-a
• Create a workload from lq-b
• Finish some of running workloads
• Observe workload from lq-b is admitted even it was submitted later than workloads from lq-a

Why is this needed:

Completion requirements:

This enhancement requires the following artifacts:

• Design doc
• API change
• Docs update

The artifacts should be linked in subsequent comments.

[mimowo]

/remove-kind feature
/kind cleanup