[Backport] Tierprice can t save float percentage value 18651

[novikor]

Original Pull Request

#19584

Description (*)

See #18651

Fixed Issues (if relevant)

1. Tierprice can't save float percentage value #18651: Tierprice can't save float percentage value

Manual testing scenarios (*)

Steps to reproduce (*)

1. Add new product
2. Add new tierprice with "discount" value "12.5"
3. Save the product

Expected result (*)

1. Saving the tierprice as you set it "12.5"

Actual result (*)

1. It's converted to INT then save it

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)

[m2-assistant]

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[magento-engcom-team]

Hi @rogyar, thank you for the review.
ENGCOM-5132 has been created to process this Pull Request

[soleksii]

✔️ QA Passed

Result:

[magento-engcom-team]

Hi @orlangur, thank you for the review.
ENGCOM-5132 has been created to process this Pull Request

[m2-assistant]

Hi @novikor, thank you for your contribution!
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