[stable30] fix(installer): ensure valid tempFile & extractDir #28767

Job	Run time
changes	10s
integration-sqlite (collaboration_features, 8.1, stable30)	2m 52s
integration-sqlite (capabilities_features, 8.1, stable30)	1m 5s
integration-sqlite (dav_features, 8.1, stable30)	6m 3s
integration-sqlite (sharees_features, 8.1, stable30)	4m 5s
integration-sqlite (openldap_features, 8.1, stable30)	1m 18s
integration-sqlite (theming_features, 8.1, stable30)	2m 26s
integration-sqlite (--tags ~@large files_features, 8.1, stable30)	9m 44s
integration-sqlite (openldap_numerical_features, 8.1, stable30)	1m 11s
integration-sqlite (filesdrop_features, 8.1, stable30)	2m 34s
integration-sqlite (features, 8.1, stable30)	6m 27s
integration-sqlite (setup_features, 8.1, stable30)	1m 44s
integration-sqlite (ldap_features, 8.1, stable30)	1m 14s
integration-sqlite (videoverification_features, 8.1, stable30)	3m 26s
integration-sqlite (comments_features, 8.1, stable30)	2m 28s
integration-sqlite (federation_features, 8.1, stable30)	3m 21s
integration-sqlite (remoteapi_features, 8.1, stable30)	58s
integration-sqlite (sharing_features, 8.1, stable30)	15m 25s
integration-sqlite-summary	6s
	1h 6m 37s

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