refactor(theming): migrate to Typescript and Vue 3 #36940

Job	Run time
changes	16s
integration-sqlite (comments_features, 8.4, main, master)	3m 3s
integration-sqlite (federation_features, 8.4, main, master)	7m 6s
integration-sqlite (file_conversions, 8.4, main, master)	3m 0s
integration-sqlite (capabilities_features, 8.4, main, master)	2m 48s
integration-sqlite (features, 8.4, main, master)	14m 49s
integration-sqlite (openldap_features, 8.4, main, master)	3m 34s
integration-sqlite (files_reminders, 8.4, main, master)	3m 20s
integration-sqlite (--tags ~@large files_features, 8.4, main, master)	18m 43s
integration-sqlite (dav_features, 8.4, main, master)	12m 41s
integration-sqlite (filesdrop_features, 8.4, main, master)	3m 10s
integration-sqlite (collaboration_features, 8.4, main, master)	5m 56s
integration-sqlite (remoteapi_features, 8.4, main, master)	2m 53s
integration-sqlite (sharing_features, 8.4, main, master)	22m 51s
integration-sqlite (setup_features, 8.4, main, master)	2m 4s
integration-sqlite (sharees_features, 8.4, main, master)	7m 34s
integration-sqlite (videoverification_features, 8.4, main, master)	6m 17s
integration-sqlite (ldap_features, 8.4, main, master)	3m 59s
integration-sqlite (theming_features, 8.4, main, master)	3m 34s
integration-sqlite (routing_features, 8.4, main, master)	2m 38s
integration-sqlite (openldap_numerical_features, 8.4, main, master)	1m 41s
integration-sqlite-summary	5s
	2h 12m 2s

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