fix(ME): do not return null on text fields for new records

[jahow]

This was causing some mandatory text fields (abstract and lineage) to become null after a draft was saved for the first time.

[github-actions]

Affected libs: api-metadata-converter, feature-search, feature-router, feature-map, feature-dataviz, feature-record, api-repository, feature-catalog, feature-editor, feature-auth, ui-search,
Affected apps: metadata-editor, metadata-converter, datahub, demo, webcomponents, map-viewer, search, datafeeder,

• 🚀 Build and deploy storybook and demo on GitHub Pages
• 📦 Build and push affected docker images

[coveralls]

coverage: 83.588% (+1.9%) from 81.672%
when pulling 621b04f on ME-fix-new-record-crash
into 38f835a on main.

[github-actions]

📷 Screenshots are here!