MarketWebPresence association can now be fully accessed through ShopLocale endpoints
API
Effective September 30, 2022
As of 2022-10 you can now add, remove and view MarketWebPresence associated with a Locale through the ShopLocale GraphQL endpoints.
Learn more about ShopLocale and [MarketWebPresence].(https://shopify.dev/api/admin-graphql/2022-10/objects/MarketWebPresence).