feat: cache claimed withdrawal status in local storage

[brtkx]

closes FS-1053

[vercel]

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Name	Status	Preview	Updated (UTC)
arbitrum-token-bridge	✅ Ready (Inspect)	Visit Preview	Apr 30, 2025 10:28am

[fionnachan]

can you do this instead?

Suggested change

	if (!localStorageItem) {
	localStorage.setItem(
	localStorageKey,
	JSON.stringify({ ...localStorageValue })
	)
	return
	}
	localStorage.setItem(
	localStorageKey,
	JSON.stringify({
	...JSON.parse(localStorageItem),
	...localStorageValue
	})
	)
	localStorage.setItem(
	localStorageKey,
	JSON.stringify({
	...JSON.parse(localStorageItem ?? '{}'),
	...localStorageValue
	})
	)