OZG-4292 avoid unnecessary call

goofy-client/libs/vorgang-shared/src/lib/vorgang-list.service.spec.ts

@@ -210,9 +210,9 @@ describe('VorgangListService', () => {
 			expect(vorgangFacade.getVorgangStatistic).toHaveBeenCalled();
 		})
 
-		it('should getVorgangList', (done) => {
-			service.getVorgangStatistic().subscribe(() => {
-				expect(service.getVorgangList).toHaveBeenCalled();
+		it('should return vorgangStatistic', (done) => {
+			service.getVorgangStatistic().subscribe(vorgangStatistic => {
+				expect(vorgangStatistic).toEqual(vorgangStatisticStateResource);
 				done();
 			})
 		})

goofy-client/libs/vorgang-shared/src/lib/vorgang-list.service.ts

@@ -23,9 +23,9 @@
  */
 import { Injectable } from '@angular/core';
 import { ApiRootFacade, ApiRootResource } from '@goofy-client/api-root-shared';
-import { EMPTY_STRING, StateResource, createEmptyStateResource, doIfLoadingRequired, isLoaded, isNotNull } from '@goofy-client/tech-shared';
+import { EMPTY_STRING, StateResource, createEmptyStateResource, doIfLoadingRequired, isNotNull } from '@goofy-client/tech-shared';
 import { Observable, combineLatest } from 'rxjs';
-import { filter, map, startWith, tap, withLatestFrom } from 'rxjs/operators';
+import { map, startWith, tap, withLatestFrom } from 'rxjs/operators';
 import { VorgangFacade } from './+state/vorgang.facade';
 import { ROUTE_PARAM_BY_VORGANG_FILTER, buildLinkRel, getSearchLinkRel } from './vorgang-navigation.util';
 import { VorgangFilter, VorgangListResource, VorgangResource, VorgangStatistic, VorgangView } from './vorgang.model';
@@ -64,11 +64,7 @@ export class VorgangListService {
 	}
 
 	public getVorgangStatistic(): Observable<StateResource<VorgangStatistic>> {
-		return this.vorgangFacade.getVorgangStatistic().pipe(
-			withLatestFrom(this.getVorgangList()),
-			filter(([, vorgangListResource]) => isLoaded(vorgangListResource)),
-			map(([statistic,]) => statistic),
-		);
+		return this.vorgangFacade.getVorgangStatistic();
 	}
 
 	public getSelectedFilterAsRouteParam(): Observable<string> {