Add a flash notice when automatically creating a part lot from scan #789

Job	Run time
build (linux/arm64, ubuntu-24.04-arm, arm64)	5m 18s
build (linux/amd64, ubuntu-latest, amd64)	3m 45s
build (linux/arm/v7, ubuntu-24.04-arm, armv7)	4m 51s
merge	17s
	14m 11s

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