PHRAS-4034 Prod - api - test sub definition substitution for unknown type #823

Job	Run time
build phraseanet-nginx / build	24m 25s
build phraseanet-fpm / build	27m 19s
build phraseanet-db / build	1m 4s
build phraseanet-elasticsearch / build	42s
build phraseanet-setup / build	25m 15s
build phraseanet-worker / build	25m 24s
unit test	5m 38s
	1h 49m 47s

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