Devfile registry doesn't provide list of used images

[svor]

Describe the bug

Devfile registry should provide a list of used images and write it into the external_images.txt file in the resulted devfile-registry image.

Che version

next (development version)

Steps to reproduce

docker run --rm --entrypoint /bin/sh "quay.io/eclipse/che-devfile-registry:7.51.0" -c "cat /var/www/html/*/external_images.txt" is empty

Expected behavior

external_images.txt should contain list of used images

Runtime

OpenShift

Screenshots

No response

Installation method

chectl/latest

Environment

Linux

Eclipse Che Logs

No response

Additional context

No response