add support for iso 8601 date display

src-ui/src/app/components/manage/settings/settings.component.html

@@ -34,7 +34,7 @@
           <div class="col">
 
             <select class="form-control" formControlName="dateLocale">
-              <option *ngFor="let lang of dateLocaleOptions" [ngValue]="lang.code">{{lang.name}}<span *ngIf="lang.code"> - {{today | date:'shortDate':null:lang.code}}</span></option>
+              <option *ngFor="let lang of dateLocaleOptions" [ngValue]="lang.code">{{lang.name}}<span *ngIf="lang.code"> - {{today | customDate:'shortDate':null:lang.code}}</span></option>
             </select>
 
           </div>