[stable31] feat(Config.php): change `array_merge` to `array_replace_recursive` when merging configs #37372

Job	Run time
changes	8s
integration-sqlite (collaboration_features, 8.1, stable31, stable31)	2m 12s
integration-sqlite (features, 8.1, stable31, stable31)	9m 8s
integration-sqlite (dav_features, 8.1, stable31, stable31)	5m 11s
integration-sqlite (--tags ~@large files_features, 8.1, stable31, stable31)	8m 59s
integration-sqlite (comments_features, 8.1, stable31, stable31)	2m 37s
integration-sqlite (openldap_features, 8.1, stable31, stable31)	1m 10s
integration-sqlite (filesdrop_features, 8.1, stable31, stable31)	2m 17s
integration-sqlite (federation_features, 8.1, stable31, stable31)	5m 35s
integration-sqlite (sharing_features, 8.1, stable31, stable31)	13m 16s
integration-sqlite (sharees_features, 8.1, stable31, stable31)	6m 0s
integration-sqlite (file_conversions, 8.1, stable31, stable31)	2m 52s
integration-sqlite (files_reminders, 8.1, stable31, stable31)	58s
integration-sqlite (openldap_numerical_features, 8.1, stable31, stable31)	1m 50s
integration-sqlite (setup_features, 8.1, stable31, stable31)	54s
integration-sqlite (capabilities_features, 8.1, stable31, stable31)	2m 15s
integration-sqlite (theming_features, 8.1, stable31, stable31)	1m 21s
integration-sqlite (videoverification_features, 8.1, stable31, stable31)	3m 27s
integration-sqlite (remoteapi_features, 8.1, stable31, stable31)	56s
integration-sqlite (ldap_features, 8.1, stable31, stable31)	1m 14s
integration-sqlite-summary	6s
	1h 12m 26s

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