Hide featured assets on liquid testnet

frontend/src/app/components/assets/assets-featured/assets-featured.component.html

@@ -1,5 +1,7 @@
 <div *ngIf="featuredAssets$ | async as featured; else loading" class="featuredBox">
-
+  <div *ngIf="featured.length === 0" class="text-center">
+    <div i18n="liquid.no-featured.assets" class="symbol">No featured assets</div>
+  </div>
   <div class="card" *ngFor="let group of featured">
     <ng-template [ngIf]="group.assets" [ngIfElse]="singleAsset">
       <a [routerLink]="['/assets/group' | relativeUrl, group.id]">

frontend/src/app/components/assets/assets-featured/assets-featured.component.scss

@@ -47,3 +47,9 @@
 .ticker {
   color: grey;
 }
+
+.symbol {
+  color: grey;
+  font-size: 1.5rem;
+  font-style: italic;
+}

frontend/src/app/components/assets/assets-featured/assets-featured.component.ts

@@ -1,6 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 import { ApiService } from '../../../services/api.service';
+import { StateService } from '../../../services/state.service';
 
 @Component({
   selector: 'app-assets-featured',
@@ -12,10 +13,11 @@ export class AssetsFeaturedComponent implements OnInit {
 
   constructor(
     private apiService: ApiService,
+    private stateService: StateService,
   ) { }
 
   ngOnInit(): void {
-    this.featuredAssets$ = this.apiService.listFeaturedAssets$();
+    this.featuredAssets$ = this.apiService.listFeaturedAssets$(this.stateService.network);
   }
 
 }