feat: Add first login timestamp of each user to oc_preferences and user:info output #15097

Job	Run time
changes	3s
integration-sqlite (capabilities_features, 8.1, main)	1m 41s
integration-sqlite (collaboration_features, 8.1, main)	3m 21s
integration-sqlite (comments_features, 8.1, main)	2m 7s
integration-sqlite (dav_features, 8.1, main)	5m 9s
integration-sqlite (features, 8.1, main)	6m 15s
integration-sqlite (federation_features, 8.1, main)	4m 14s
integration-sqlite (--tags ~@large files_features, 8.1, main)	7m 44s
integration-sqlite (filesdrop_features, 8.1, main)	1m 40s
integration-sqlite (openldap_features, 8.1, main)	1m 49s
integration-sqlite (openldap_numerical_features, 8.1, main)	1m 38s
integration-sqlite (ldap_features, 8.1, main)	1m 52s
integration-sqlite (remoteapi_features, 8.1, main)	1m 33s
integration-sqlite (setup_features, 8.1, main)	1m 12s
integration-sqlite (sharees_features, 8.1, main)	3m 55s
integration-sqlite (sharing_features, 8.1, main)	12m 10s
integration-sqlite (videoverification_features, 8.1, main)	5m 18s
integration-sqlite-summary	5s
	1h 1m 46s

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