chore : add error messege when no food in image

[rarandeyo]

[mst-mkt]

こうすればstate増やさなくていいかも

const noFoodsError = useMemo(
  () => foodImages.some(({foods}) => foods.length === 0),
  [foodImages]
)

// 省略

{noFoodsError && (
  <div className="flex gap-x-2">
    <IconAlertCircle size={25} className="text-red-400" />
    <p>画像から食材が見つかりませんでした</p>
  </div>
)}

[cloudflare-workers-and-pages]

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