PHRAS-4034 Prod - api - test sub definition substitution for unknown type #815

Job	Run time
build phraseanet-elasticsearch / build	20s
build phraseanet-nginx / build	2m 45s
build phraseanet-fpm / build	3m 32s
build phraseanet-db / build	20s
build phraseanet-setup / build	3m 30s
build phraseanet-worker / build	3m 35s
unit test	5m 43s
	19m 45s

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