fix: Check if type has locale field (#125)

As opposed to locales argument, which is now available on all types regardless of if localisation is present

gatsby-source-graphcms/gatsby-node.js

@@ -63,11 +63,7 @@ const createSourcingConfig = async (
  (fieldName) => String(queryFields[fieldName].type) === `[${type.name}!]!`
  )
 
- const hasLocaleField = (type) => {
- const fieldName = pluralRootFieldName(type)
-
- return queryFields[fieldName].args.some((arg) => arg.name === `locales`)
- }
+ const hasLocaleField = (type) => type.getFields().locale
 
  const gatsbyNodeTypes = possibleTypes.map((type) => ({
  remoteTypeName: type.name,