Issue #26332 BeforeOrderPaymentSaveObserver override payment instructions

[karyna-t]

Description (*)

Fix for the problem with BeforeOrderPaymentSaveObserver, which overrides payment instructions.

Fixed Issues (if relevant)

1. BeforeOrderPaymentSaveObserver override payment insructions with wrong store view config #26332: BeforeOrderPaymentSaveObserver override payment insructions with wrong store view config

Manual testing scenarios (*)

Testing scenario is described in the ticket #26332 .

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-engcom-team]

Hi @rogyar, thank you for the review.
ENGCOM-6609 has been created to process this Pull Request

[engcom-Delta]

✔️ QA passed

[engcom-Golf]

failed Functional Tests B2B Not related to the changes in this PR

[m2-assistant]

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