[stable31] fix: Only keep allowed characters in appid, and flag the method as escaping #18184

Job	Run time
changes	6s
integration-sqlite (capabilities_features, 8.1, stable31)	1m 19s
integration-sqlite (collaboration_features, 8.1, stable31)	2m 50s
integration-sqlite (comments_features, 8.1, stable31)	2m 8s
integration-sqlite (dav_features, 8.1, stable31)	4m 38s
integration-sqlite (features, 8.1, stable31)	10m 15s
integration-sqlite (federation_features, 8.1, stable31)	4m 52s
integration-sqlite (--tags ~@large files_features, 8.1, stable31)	13m 33s
integration-sqlite (filesdrop_features, 8.1, stable31)	1m 21s
integration-sqlite (file_conversions, 8.1, stable31)	2m 8s
integration-sqlite (openldap_features, 8.1, stable31)	1m 38s
integration-sqlite (openldap_numerical_features, 8.1, stable31)	1m 26s
integration-sqlite (ldap_features, 8.1, stable31)	1m 57s
integration-sqlite (remoteapi_features, 8.1, stable31)	1m 29s
integration-sqlite (setup_features, 8.1, stable31)	1m 19s
integration-sqlite (sharees_features, 8.1, stable31)	4m 29s
integration-sqlite (sharing_features, 8.1, stable31)	15m 26s
integration-sqlite (videoverification_features, 8.1, stable31)	6m 2s
integration-sqlite-summary	4s
	1h 17m 0s

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