feat: add example contact on first login #17266

Job	Run time
changes	3s
integration-sqlite (capabilities_features, 8.1, main)	1m 45s
integration-sqlite (collaboration_features, 8.1, main)	3m 13s
integration-sqlite (comments_features, 8.1, main)	2m 21s
integration-sqlite (dav_features, 8.1, main)	6m 11s
integration-sqlite (features, 8.1, main)	7m 17s
integration-sqlite (federation_features, 8.1, main)	4m 9s
integration-sqlite (--tags ~@large files_features, 8.1, main)	8m 27s
integration-sqlite (filesdrop_features, 8.1, main)	1m 46s
integration-sqlite (file_conversions, 8.1, main)	2m 31s
integration-sqlite (openldap_features, 8.1, main)	2m 15s
integration-sqlite (openldap_numerical_features, 8.1, main)	1m 57s
integration-sqlite (ldap_features, 8.1, main)	1m 38s
integration-sqlite (remoteapi_features, 8.1, main)	1m 39s
integration-sqlite (setup_features, 8.1, main)	1m 8s
integration-sqlite (sharees_features, 8.1, main)	3m 30s
integration-sqlite (sharing_features, 8.1, main)	9m 18s
integration-sqlite (videoverification_features, 8.1, main)	3m 48s
integration-sqlite-summary	4s
	1h 3m 0s

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