D-Net

[angular7 | Library]:
1. subscribe.service: Add return type <any> for post requests.
2. customOptions.class: In getAuthOptionsWithBody function change return type from any to {}.

[Trunk|Library]

remove old showAuthors component

add properties in showPublisher component of software landing

[angular7|library]

Merging Trunk into branch 55729:55901

[angular7|library]

Merging Trunk into branch 55729:55901

[Library|Trunk]

Claim get Context: return only the communities with status not hidden #4253

Sherpa link - not for production #4271

[Trunk | Library]: Landing and Search pages (services): Do not check and cut prefix of ORCID if included.

[Trunk | Library]:
1. Create 'authors' folder in 'utils' to show authors, including dropdown with their ORCID information if available (used by landing & search pages).
2. Landing & Search Pages (services): Parse ORCID information of authors (creators) & cut it, if prefix is included.

[Trunk | Library]:
1. Add 'orcidURL' property
2. advancedSearchForm.component: Bug fix in definition of array
3. searchFields.ts: Add field in advanced search form of results to search by author's ORCID.

[Trunk | Explore]: common-assets:
1. Add property 'orcidURL'.
2. library.css: Add 'default-dropdown' class to make background white, in 'uk-animation-' classes: animation-fill-mode: none !important;

[angular7|library]

Merging Trunk into branch 55541:55729