Improve RBAC sub system to improve memory efficiency #1931

Job	Run time
Server tests	2m 19s
Web client test (admin)	1m 14s
Library test (js)	50s
Web client test (compose)	1m 23s
Library test (vue)	1m 0s
Web client test (discovery)	1m 20s
Web client test (privacy)	1m 15s
Web client test (reporter)	1m 16s
Web client test (one)	1m 6s
Web client test (workflow)	1m 16s
Send matrix testing notification	1s
	13m 0s

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