Add cone search form (configure dataset)

...et/components/cone-search/cone-search-form.component.html

...aset/components/cone-search/cone-search-form.component.ts

...pp/admin/instance/dataset/components/cone-search/index.ts

...ce/dataset/components/dataset/dataset-form.component.html

...ance/dataset/components/dataset/dataset-form.component.ts

client/src/app/admin/instance/dataset/components/index.ts

...instance/dataset/containers/attribute-list.component.html

...e/dataset/containers/configure-cone-search.component.html

...nce/dataset/containers/configure-cone-search.component.ts

...nstance/dataset/containers/configure-dataset.component.ts

...n/instance/dataset/containers/edit-dataset.component.html

...min/instance/dataset/containers/edit-dataset.component.ts

.../src/app/admin/instance/dataset/dataset-routing.module.ts

client/src/app/metamodel/effects/dataset.effects.ts