BuildConfig uses hash when leveraging ImageStream due to disconnected mode

{"level":"warn","ts":"2020-05-07T15:13:44.513206982Z","logger":"kieapp.controller","msg":"ImageStreamTag openshift/rhpam-kieserver-rhel8@sha256:d905132e2856709b053442fc586e8c63f5828eea37636bdd76ca57150828f47d doesn't exist."}
{"level":"info","ts":"2020-05-07T15:13:44.513261434Z","logger":"kieapp.controller","msg":"Creating","kind":"ImageStreamTag","name":"rhpam-kieserver-rhel8@sha256:d905132e2856709b053442fc586e8c63f5828eea37636bdd76ca57150828f47d","from":"registry.redhat.io/rhpam-7/rhpam-kieserver-rhel8@sha256:d905132e2856709b053442fc586e8c63f5828eea37636bdd76ca57150828f47d","namespace":"test"}
{"level":"error","ts":"2020-05-07T15:13:44.525644886Z","logger":"kieapp.controller","msg":"Issue creating object. ImageStream.image.openshift.io \"rhpam-kieserver-rhel8@sha256\" is invalid: metadata.name: Invalid value: \"rhpam-kieserver-rhel8@sha256\": must match \"[a-z0-9]+(?:[._-][a-z0-9]+)*\"","kind":"ImageStreamTag","name":"rhpam-kieserver-rhel8@sha256:d905132e2856709b053442fc586e8c63f5828eea37636bdd76ca57150828f47d","from":"registry.redhat.io/rhpam-7/rhpam-kieserver-rhel8@sha256:d905132e2856709b053442fc586e8c63f5828eea37636bdd76ca57150828f47d","namespace":"test"}
{"level":"error","ts":"2020-05-07T15:13:44.525686418Z","logger":"kieapp.controller","msg":"ImageStream.image.openshift.io \"rhpam-kieserver-rhel8@sha256\" is invalid: metadata.name: Invalid value: \"rhpam-kieserver-rhel8@sha256\": must match \"[a-z0-9]+(?:[._-][a-z0-9]+)*\""}