[Backport 2.0.x] Element ref wasn't working on ng-for wizard.component.html with multiple fields

[jahow]

Backport of #996

[github-actions]

Affected libs: api-metadata-converter, api-repository, feature-catalog, feature-record, feature-router, feature-search, feature-map, feature-dataviz, feature-auth, feature-editor, ui-search, ui-elements, ui-catalog, util-shared, ui-widgets, ui-inputs, data-access-datafeeder, util-data-fetcher, data-access-gn4, util-app-config, common-fixtures, ui-map, common-domain, ui-dataviz, util-i18n, ui-layout,
Affected apps: metadata-converter, metadata-editor, datafeeder, demo, datahub, webcomponents, search, map-viewer, data-platform,

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

[coveralls]

coverage: 80.192% (-2.1%) from 82.338%
when pulling 52a6c9d on backport/996-to-2.0.x
into bb9fb58 on 2.0.x.

[jahow]

Not needed