2024-01-23-promotion-individual-code-should-be-nullable.md

title	issue
Promotion individual code pattern should be nullable	NEXT-33328

Core

• Deprecated PromotionEntity::getIndividualCodePattern to allow individualCodePattern to be nullable (as it should be)
• Changed \Shopware\Core\Checkout\Promotion\Util\PromotionCodeService::addIndividualCodes to throw an 400 exception if individualCodePattern is null