Add checkout_cart_product_add_before event #17830

[leandro-rosa]

Add checkout_cart_product_add_before event #17830

Description

Add dispatch event checkout_cart_product_add_before

[magento-cicd2]

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[magento-engcom-team]

Hi @leandro-rosa. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
Add the comment under your pull request to deploy test or vanilla Magento instance:

• @magento-engcom-team give me test instance - deploy test instance based on PR changes
• @magento-engcom-team give me $VERSION instance - deploy vanilla Magento instance

For more details, please, review the Magento Contributor Assistant documentation

[okorshenko]

Hi @leandro-rosa thank you for your contributions. Unfortunately, all new features/improvements/code cleanup should go to the 2.3-develop branch. Only critical bug fixes can be delivered to 2.2-develop branch.
Just FYI: there is PR to 2.3-develop branch with the similar improvement. #18080