Change the property name of the attribute slug in Products By Attribute

[kmanijak]

Issue

As of 9.8.0 Products by Attribute block renders empty.

Cause

Due to refactoring done in #8583, the properties returned by SearchListItem changed and didn't match the Products by Attribute interface.

Due to that, attr_slug was not sent to the backend and there was an empty response, so the block was rendered empty.

Fixes #8755

Screenshots

Before	After
https://user-images.githubusercontent.com/69596988/225275711-08ed4adf-e3a6-4b4d-9b15-273d6a213dd5.gif	https://user-images.githubusercontent.com/20098064/225292710-aef2075f-87c2-428e-a703-91e32e956b6b.mov

Testing

Automated Tests

• Changes in this PR are covered by Automated Tests.
  • Unit tests
  • E2E tests

User Facing Testing

1. Add new Post
2. Add Products by Attribute block
3. Choose some attributes
4. Click Done
5. Expected: Block renders correctly and preview the products
6. Publish post and confirm it looks the same in the frontend

• Do not include in the Testing Notes

WooCommerce Visibility

• WooCommerce Core
• Feature plugin
• Experimental

Performance Impact

Changelog

Products by Attributes: Fix the block rendered empty in the Editor

[github-actions]

The release ZIP for this PR is accessible via:

https://wcblocks.wpcomstaging.com/wp-content/uploads/woocommerce-gutenberg-products-block-8759.zip

Script Dependencies Report

There is no changed script dependency between this branch and trunk.

This comment was automatically generated by the ./github/compare-assets action.

TypeScript Errors Report

• Files with errors: 487
• Total errors: 2309

🎉 🎉 This PR does not introduce new TS errors.

_{comments-aggregator}

[Aljullu]

LGTM, thanks for investigating and fixing it, @kmanijak!

[github-actions]

Size Change: +4 B (0%)

Total Size: 1.12 MB

Filename	Size	Change
build/products-by-attribute.js	9.58 kB	+4 B (0%)

ℹ️ View Unchanged

Filename	Size
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build/active-filters-wrapper-frontend.js	5.99 kB
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build/cart-blocks/order-summary-taxes-frontend.js	434 B
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build/checkout-blocks/billing-address-frontend.js	4.19 kB
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build/checkout-blocks/order-summary-discount-frontend.js	2.29 kB
build/checkout-blocks/order-summary-fee-frontend.js	277 B
build/checkout-blocks/order-summary-frontend.js	1.24 kB
build/checkout-blocks/order-summary-shipping-frontend.js	11.2 kB
build/checkout-blocks/order-summary-subtotal-frontend.js	275 B
build/checkout-blocks/order-summary-taxes-frontend.js	435 B
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build/checkout-blocks/shipping-method-frontend.js	2.47 kB
build/checkout-blocks/shipping-methods-frontend.js	5.26 kB
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build/checkout-blocks/totals-frontend.js	310 B
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build/checkout.js	45.3 kB
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build/product-add-to-cart--product-button--product-category-list--product-image--product-price--product-r--a0326d00.js	253 B
build/product-add-to-cart--product-button--product-image--product-rating--product-title.js	151 B
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build/vendors--cart-blocks/cart-cross-sells-products--product-add-to-cart-frontend.js	7.26 kB
build/vendors--cart-blocks/cart-line-items--checkout-blocks/order-summary-cart-items--mini-cart-contents---233ab542-frontend.js	3.14 kB
build/vendors--cart-blocks/order-summary-shipping--checkout-blocks/order-summary-shipping--checkout-block--24d3fc0c-frontend.js	8.24 kB
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