Switch the calls to ICAT+ using the dedicated package
Replace the current functions to fetch the metadata with the functions bundled in the ICAT+ package here: https://www.npmjs.com/package/@edata-portal/icat-plus-api
Replace the current functions to fetch the metadata with the functions bundled in the ICAT+ package here: https://www.npmjs.com/package/@edata-portal/icat-plus-api