Currently related images failures are being treated as warning in the catalog_handler.go (handleRelatedImages func). If one related image of a bundle fails during the collection phase, the bundle should be removed from the list of collected images, otherwise the batch will copy bundles with related images missing.

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Bundles are being added to the list of collected images even if one of its related images failed.

Bundles with related images that failed during the collection phase should be removed from the list of collected images in the collection phase.