EVEREST-107 | API server code refactor & RBAC unit tests #3302

Job	Run time
CLI Integration Tests (1.23.x, false)	9m 39s
Check (1.23.x, false)	2m 16s
API Integration Tests (1.23.x, false)	13m 39s
Test (1.23.x, false)	6m 22s
CLI tests (test-all-operators) / CLI test-all-operators	8m 32s
CLI tests (test-mongo-operator) / CLI test-mongo-operator	7m 46s
CLI tests (test-namespaces) / CLI test-namespaces	10m 40s
CLI tests (test-pg-operator) / CLI test-pg-operator	10m 11s
CLI tests (test-pxc-operator) / CLI test-pxc-operator	8m 19s
Merge Gatekeeper	15s
	1h 17m 39s

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