64574: relationship-service's getRelatedItemsByLabel returns paginated list using new REST API search endpoint + test cases on publication pages

Conflicts:
	resources/i18n/en.json
	src/app/+item-page/edit-item-page/item-metadata/item-metadata.component.ts
	src/app/+search-page/search-service/search.service.ts
	src/app/core/core.module.ts
	src/app/core/shared/item.model.ts

Configuration search page component

Edit current item query

Flatten i18n files

Remove e2e tests from the ci task

Upgrade dependencies to prevent vulnerabilities

upgrade dependencies to prevent CVE-2019-10744, CVE-2019-13173, CVE-2018-14732, CVE-2018-16469, CVE-2018-1000620, CVE-2019-10744 and WS-2018-0236

Bump lodash.mergewith from 4.6.1 to 4.6.2

Bump ecstatic from 3.2.2 to 3.3.2

Bump handlebars from 4.0.11 to 4.1.2

Bump js-yaml from 3.12.0 to 3.13.1

Bump pem from 1.12.3 to 1.13.2

Replaced unnecessary model factories

Patch protractor with the latest webdriver-manager

removed unnecessary static type in NormalizedWorkflowItem and fixed generic type for NormalizedWorkspaceItem

Conflicts:
	src/app/+item-page/simple/item-types/shared/item-relationships-utils.ts

Update environment.js with new demo site path