fix: OE item change conflict

[fPolic]

What

• return 409 if there is UIDX conflict on order edit item change creation

FIXES CORE-717

[changeset-bot]

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Latest commit: f4c7711

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[srindom]

We might not need this any longer given @adrien2p's fix error handler here: #2467

[adrien2p]

We might not need this any longer given @adrien2p's fix error handler here: #2467

@fPolic indeed @srindom is right. The changes in the referenced pr generalise the format exception, if a query fail and throw the error handler will take charge of handling the translation of the error according to our needs 👌 don’t hesitate to give your feedback

[srindom]

thanks @adrien2p - will close this :)