Changes to Link an external file (SharePoint, Google Drive, etc.) and return a file upload record

added the non-success response with the status 415

added the optional property files/items/file_capability/upload_allowed to the response with the 200 status

added the optional property rejected_files to the response with the 200 status

added the optional property files/items/outlook_provenance to the response with the 200 status

added the optional property files/items/external_id_ews_id to the response with the 200 status