Add Corteza studio UI personalization feature #547

Job	Run time
Library test (js)	51s
Server tests	3m 47s
Library test (vue)	1m 20s
Web client test (admin)	1m 40s
Web client test (compose)	1m 26s
Web client test (discovery)	1m 40s
Web client test (privacy)	1m 40s
Web client test (reporter)	1m 25s
Web client test (one)	1m 14s
Web client test (workflow)	1m 27s
Send matrix testing notification	3s
	16m 33s

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