remove projection from transformation context #1473

Job	Run time
Build Keycloak / build	13s
Build Databox Indexer / build	15s
Build Matomo PHP / build	16s
Build nginx-fpm-base / build	15s
Build nginx-cache-purge / build	32s
Build Matomo NGINX / build	11s
Build nodejs-base / build	12s
Build php-fpm-base / build	15s
Build Report API / build	25s
Build Dashboard / build	27s
Build Uploader Client / build	14s
Build Databox Client / build	12s
Build Expose Client / build	24s
Build Configurator / build	19s
Build Notify API / build	1m 15s
Build Databox API / build	1m 28s
Build Uploader API / build	1m 1s
Build Expose API / build	1m 21s
Setup stack	12m 3s
	21m 18s

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