acceptLanguage on $integration.config is different from the api-client acceptLanguage

[sync-by-unito[bot]]

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The acceptLanguage property on the api-client is different from what is set for the nuxt-i18n plugin which sets a language map based on the defined locales: https://github.com/vuestorefront/vue-storefront/blob/main/packages/commercetools/composables/nuxt/index.js#L7