PWA-3085::[PWA]Different error message on shopping page and in edit pop-up

[glo82145]

Description

When a user tries to update the quantity of an item in the shopping cart page and Edit Item popup to a value that exceeds the salable quantity available, the website display different error messages on FE, even though both operations return the same error message.

Related Issue

Closes #PWA-3085

Acceptance

Verification Stakeholders

Specification

Verification Steps

Test scenario(s) for direct fix/feature

Test scenario(s) for any existing impacted features/areas

Test scenario(s) for any Magento Backend Supported Configurations

Is Browser/Device testing needed?

Any ad-hoc/edge case scenarios that need to be considered?

Screenshots / Screen Captures (if appropriate)

Breaking Changes (if any)

Checklist

• I have added tests to cover my changes, if necessary.
• I have added translations for new strings, if necessary.
• I have updated the documentation accordingly, if necessary.

[pwa-studio-bot]

	Messages
📖	Associated JIRA tickets: PWA-3085.
📖	DangerCI Failures related to missing labels/description/linked issues/etc will persist until the next push or next pr-test build run (assuming they are fixed).
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[glo82145]

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