fix(404): app/stores -> app/state

[ryoppippi]

#338 に関連して、 page storeがdeprecatedになっていたものを置き換え
404ページが普通に動けば問題なし

[Copilot]

Pull Request Overview

This PR replaces the deprecated '$app/stores' import with the updated '$app/state' import for the 'page' store, aligning with the changes required for the 404 page functionality.

• Updated the import statement for the 'page' store.
• Adjusted the usage of the store in the error render block by removing the '$' prefix.

Comments suppressed due to low confidence (1)

src/routes/+error.svelte:4

• Confirm that using 'page' without the '$' prefix aligns with the new reactive store API provided by '$app/state', as this change differs from the auto-subscription pattern used with '$app/stores'.

import { page } from '$app/state';

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[staticWagomU]

404動きました！
!!!!!LGTM!!!!!

[ryoppippi]

@staticWagomU ありがとうございます