https://mytenant.sharepoint.com/sites/dev/_api/v2.0/sites/{siteId}/lists/{listId}/items/{itemId}/preview returns an HTTP 403 every time using SPHttpClient class from an SPFx Web Part

https://mytenant.sharepoint.com/sites/dev/_api/v2.0/sites/{siteId}/lists/{listId}/items/{itemId}/preview returns an HTTP 403 every time using SPHttpClient class from an SPFx Web Part #44