D-Net

[Library | Trunk]: Fix showAuthors error cause of wrong import

[Library|Trunk]

Claims:
Search: remove class from filters to look like the search filters
Display claims list: add "no title available" when it is not
Direct index: don't make the direct index API call in development

[Explore|Trunk]

Use searchDataproviders Component for Deposit, Registries, Journals and Compatible pages

[Library|Trunk]

Use searchDataproviders Component for Deposit, Registries, Journals and Compatible pages
Update searchDataproviders Component to support the above search pages

Entities autocomplete: show "no title available" when the entity with the selected id is not found

[Library | Landing-Redesign]: Merge from trunk

[Library | Trunk]: Merge search results from branch.

[Library | Landing-redesign]: Move all related interfaces to result-preview

[Library | Landing-redesign]: Fix a duplicate code on result landing

[Library | Landing-redesign]: Merge from trunk

[Library | Landing Redesign]:
1. result-preview.component.ts & resultLanding.component: Rename "other research outcome" to "other research product".
2. resultLanding.service.ts & dataProvider.service.ts: Do not stringify null or undefined value for description....