refactored request for enabled features

Author: hpoettker

README_DEV.md

@@ -54,7 +54,7 @@ The following commands are available:
 $ npm start
 
 # Run the unit tests
-$ ng test --single-run
+$ ng test --watch=false
 
 # Run lint
 $ ng lint

ui/src/app/shared/component/search/search.component.ts

@@ -64,11 +64,9 @@ export class SearchComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.aboutService.getAbout()
-      .subscribe((about: AboutState) => {
-        this.enabled.streams = about.features.streams;
-        this.enabled.tasks = about.features.tasks;
-      });
+    this.aboutService.isFeatureEnabled('streams').then(enabled => this.enabled.streams = enabled);
+    this.aboutService.isFeatureEnabled('tasks').then(enabled => this.enabled.tasks = enabled);
+    
     this.search.valueChanges
       .pipe(
         map(val => {