Add Azure AD support to Explorer #639

Job	Run time
javadoc-spotbugs-codeql	4m 21s
build-and-test-nflow-explorer	2m 58s
build-and-test (17)	1m 1s
integration-tests (17, h2)	3m 50s
build-and-test (21)	1m 2s
integration-tests (17, mariadb)	4m 19s
build-and-test (22)	1m 9s
integration-tests (17, postgresql)	4m 3s
integration-tests (17, mysql)	4m 36s
integration-tests (17, sqlserver)	4m 43s
integration-tests (17, db2)	6m 6s
integration-tests (17, oracle)	5m 2s
integration-tests (21, h2)	3m 46s
integration-tests (21, mariadb)	4m 16s
integration-tests (21, postgresql)	4m 2s
integration-tests (21, mysql)	4m 30s
integration-tests (21, sqlserver)	4m 53s
integration-tests (21, db2)	6m 34s
integration-tests (21, oracle)	4m 59s
	1h 16m 10s

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