enh: WIP - migrate .well-known URL setup check to new API #799

Job	Run time
changes	11s
integration-sqlite (capabilities_features, 8.2, main)	4m 38s
integration-sqlite (collaboration_features, 8.2, main)	7m 6s
integration-sqlite (comments_features, 8.2, main)	6m 48s
integration-sqlite (dav_features, 8.2, main)	9m 41s
integration-sqlite (features, 8.2, main)	11m 48s
integration-sqlite (federation_features, 8.2, main)	7m 46s
integration-sqlite (--tags ~@large files_features, 8.2, main)	17m 29s
integration-sqlite (filesdrop_features, 8.2, main)	4m 31s
integration-sqlite (openldap_features, 8.2, main)	4m 57s
integration-sqlite (openldap_numerical_features, 8.2, main)	4m 56s
integration-sqlite (ldap_features, 8.2, main)	1m 15s
integration-sqlite (remoteapi_features, 8.2, main)	1m 8s
integration-sqlite (setup_features, 8.2, main)	47s
integration-sqlite (sharees_features, 8.2, main)	8m 27s
integration-sqlite (sharing_features, 8.2, main)	9m 58s
integration-sqlite (videoverification_features, 8.2, main)	8m 1s
integration-sqlite-summary	4s
	1h 49m 31s

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