As Scott mentioned, updating the image scope to global is the correct answer. This can be accomplished with a single command:
root@icp-master-1:~# kubectl get image -n=<namespace> -o yaml | sed 's/scope: namespace/scope: global/g' | kubectl replace -f -
image "cam-broker" replaced
image "cam-busybox" replaced
image "cam-mongo" replaced
image "cam-orchestration" replaced
image "cam-portal-api" replaced
image "cam-portal-ui" replaced
image "cam-redis" replaced
image "cam-service-composer-api" replaced
image "cam-service-composer-ui" replaced
image "orpheus-iaas" replaced
image "orpheus-proxy" replaced
image "orpheus-tenant-mgmt" replaced
image "orpheus-ui-basic" replaced
image "orpheus-ui-connections" replaced
image "orpheus-ui-instances" replaced
image "orpheus-ui-templates" replaced
image "provider-terraform-local" replaced