Fixed apply discount coupons for bundle product

[NikolasSumrak]

Fixed apply discount coupons for bundle product with both virtual and simple product and "Ship Bundle Items" = "Separately"

Description (*)

Fix issue: Coupon doesn't work for bundle product
Preconditions:

1. Magento 2.2.8 Enterprise Edition
2. Have Bundle item with children:

• Simple product, default QTY = 1
• Virtual Product, default QTY = 1

3. Have Cart Price rule with coupon, some discount (e.g. 10%), with conditions:
   If ANY of these conditions are TRUE :
   If an item is FOUND in the cart with ANY of these conditions true:
   SKU is SKU_OF_BUNDLE_PRODUCT

Steps to reproduce:

1. Add to cart this Bundle Item
2. Go to cart page
3. Apply coupon

Expected Result:
Coupon has been applied

Actual result:
Coupon has not been applied.
Message "Invalid coupon code" shown.

Manual testing scenarios (*)

See Description

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 are green)

[m2-assistant]

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[magento-cicd2]

All committers have signed the CLA.

[orlangur]

Hi @NikolasSumrak,

I'm not sure such logic wasn't intentional, please write an integration test covering described case.

[engcom-Golf]

@orlangur hello, test added. Please review.

[magento-engcom-team]

Hi @sidolov, thank you for the review.
ENGCOM-5360 has been created to process this Pull Request

[magento-engcom-team]

@NikolasSumrak thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[engcom-Alfa]

✔️ QA Passed

[magento-engcom-team]

@NikolasSumrak thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[m2-assistant]

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