Do not publish empty variant to Catalog Customer #4484
                
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Resolves #4467
Impact: minor
Type: bugfix
Issue
When a Product is made visible and published without any Variant, Catalog customer gets price range as$NaN.undefined - $ -NaN.undefined
Solution
Included a condition in Products Publication to base catalog selector to not include products with empty variants. Products without any Variant does not make any sense to end customer till it is complete. Let Admin work on the product in meantime and publish as many times as needed, customer will see only when product has at least 1 variant in Catalog.
Testing
From this branch start the app, login as admin, create a product by entering title, subtitle, vendor and description only( no variant detail). Make visible and publish.
Logout as admin and see product should not be displayed on homepage.