Issue fix #18264: Wrong special_price in indexer database tables for bundle products.

[jzembala]

Description (*)

Issue was already fixed in M2.2.8 but only for Configurable products. Same situation relates to Bundle product prices and it's indexer (SQL). All conditions there are correct, but are not grouped which results with wrong special_price data populating in indexer database tables.

Fixed Issues (if relevant)

1. M2.2.6 : "Order by price" not working in product listing #18264: M2.2.6 : "Order by price" not working in product listing

Manual testing scenarios (*)

1. Set same regular price for 2-3 bundle products
2. Set same special_price on above products
3. Set different dates in fields special_price_from and special_price_to, but having one product with special date valid for the day of testing.
4. Assign above products to the same category
5. Open that category page and watch results

Results:

Products are sorted as if they have same (special) price, but displayed price is correct according to dates set in special_price_from and special_price_to fields.
In catalog_product_index_price table all three products have set special_price.

Questions or comments

As I checked the issue is presenting in M2.3-develop as well.

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)

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[Stepa4man]

Hi, @bizzi. Please first provide this fix for 2.3-develop and sign Contributor License Agreement.
Thank you for your contribution.

[sidolov]

@bizzi , I am closing this PR now due to inactivity.
Please reopen and update if you wish to continue.
Thank you for the collaboration!

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