Always return a default for `Product` getters
This PR updates the Product class to make all getters return a default value (either '' or 0.0 depending on type).
Please review: @ahoffmann @weizhong-wang @lloyd-carter @KJOYNER
On December 29, GitLab will be migrating to the next generation Container Registry, which implements automatic garbage collection. See KB news article for edge cases in which you could need to rebuild a container after the migration.
This PR updates the Product class to make all getters return a default value (either '' or 0.0 depending on type).
Please review: @ahoffmann @weizhong-wang @lloyd-carter @KJOYNER