#40235 - Conditionally process collectTotal for CartItemPrices GraphQl based on params in the request

[senthilengg]

Description (*)

1. Added condition to check whether collectTotals must be processed if not retrieve from the DB values
2. Update the discount amount retrieval from extension attributes to child discount amount, since the extension attribute values are only set during collectTotals

Fixed Issues

1. Fixes Cart Query >> CartItemPrices GraphQl Performance Optimisation #40235

Manual testing scenarios (*)

1. GraphQl cart API should tested with CartItemPrices
2. Make sure Simple+Bundle , configurable+bundle and all product types in cart

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)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)

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[senthilengg]

@magento run all tests

[florinel-chis]

why would this be merged or approved? it's a breaking change. especially for any company that has tests and contract testing.

[senthilengg]

why would this be merged or approved? it's a breaking change. especially for any company that has tests and contract testing.

@florinel-chis This PR will not be merged until I fix the automated tests. OOB Magento itself doesn’t have test script for CartItemPrices so I have to write from scratch.