fix lint errors

src/app/core/cache/builders/remote-data-build.service.ts

src/app/core/cache/object-cache.service.ts

src/app/core/data/data.service.spec.ts

src/app/core/data/default-change-analyzer.service.ts

src/app/core/data/entity-type-data.service.ts

src/app/core/data/license-data.service.ts

src/app/core/data/relationship-type.service.spec.ts

src/app/core/data/relationship.service.spec.ts

src/app/core/shared/content-source.model.ts

src/app/core/shared/dspace-object.model.ts

src/app/core/shared/item.resource-type.ts

src/app/shared/form/builder/form-builder.service.spec.ts

...-actions/workspaceitem/workspaceitem-actions.component.ts

src/app/thumbnail/thumbnail.component.ts