Promise resolving to the open order object, or undefined if not found.
import { getOpenOrder } from '@clober/v2-sdk'
const openOrder = await getOpenOrder({
chainId: 421614,
id: '46223845323662364279893361453861711542636620039907198451770258805035840307200'
})
Retrieves the open order with the specified ID on the given chain.