WS-708 filtering on active reqs page

.../cli/utilities/aat_wrest/aat_wrest/observation_wrester.py

apps/web/package.json

...bility-requests/active-capability-requests.component.html

...pability-requests/active-capability-requests.component.ts

...equests/components/filter-menu/filter-menu.component.html

...equests/components/filter-menu/filter-menu.component.scss

...ests/components/filter-menu/filter-menu.component.spec.ts

...-requests/components/filter-menu/filter-menu.component.ts

...src/app/workspaces/services/capability-request.service.ts

apps/web/src/app/workspaces/workspaces.module.ts

apps/web/src/polyfills.ts

services/capability/capability/views/capability_request.py

services/capability/test/conftest.py

services/capability/test/test_capability_request_views.py

shared/workspaces/test/test_capability_info.py

...kspaces/workspaces/capability/services/capability_info.py