Fix deprecated input fields not showing up

[FrankHeijden]

It seems the default introspection query has (includeDeprecated: true) commented out, why was this the case in the first place? It seems the commit that added deprecated fields, included these as comments in the same commit: https://github.com/JetBrains/js-graphql-intellij-plugin/commit/b81990f213472dad552a4d64d53d8bba3fa0b54f

We're having trouble fetching Shopify's GraphQL schema without it, which has a lot of input fields marked as deprecated: https://shopify.dev/docs/api/admin-graphql/2024-07/input-objects/ProductVariantInput#field-productvariantinput-fulfillmentserviceid