Fix product seed
Note: After last round of changes, the available_on is mandatory for creating the variants, this was causing the product seeding to fail. Also create_variant_changeset requires passing in the product for some validations
Fixed variable expanded to method warnings
Reverted product_option_types to be mandatory while creating products
Fixed Add/Edit Option Value on Admin
Fix product seed Note: After last round of changes, the available_on is mandatory for creating the variants, this was causing the product seeding to fail. Also create_variant_changeset requires passing in the product for some validations Fixed variable expanded to method warnings Reverted product_option_types to be mandatory while creating products Fixed Add/Edit Option Value on Admin