[Backport] Added validation on maximum quantity allowed in shopping cart

[gelanivishal]

Original Pull Request

#18481

Description

Fixed validation maximum allowed quantity in cart,

Fixed Issues (if relevant)

1. Set maximum Qty Allowed in Shopping Cart is 0 still allow adding to cart #18477: Set maximum Qty Allowed in Shopping Cart is 0 still allow adding to cart

Manual testing scenarios

1. Click to edit simple product, then click "Advanced Inventory ", enter 0 in "maximum Qty Allowed in Shopping Cart" field
2. Don't allow to add 0 in input box

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @gelanivishal. 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

[magento-engcom-team]

Hi @ihor-sviziev, thank you for the review.
ENGCOM-3171 has been created to process this Pull Request

[magento-engcom-team]

Hi @gelanivishal. Thank you for your contribution.
We will aim to release these changes as part of 2.2.8.
Please check the release notes for final confirmation.

Please, consider to port this solution to 2.3 release line.
You may use Porting tool to port commits automatically.