example: add missing input binding

Author: szuperaz

projects/customizations-example/src/app/app.component.html

@@ -35,6 +35,7 @@
   let-enabledMessageActions="enabledMessageActions"
   let-mode="mode"
   let-customActions="customActions"
+  let-isHighlighted="isHighlighted"
 >
   <div>
     <stream-message
@@ -43,6 +44,7 @@
       [enabledMessageActions]="enabledMessageActions"
       [mode]="mode"
       [customActions]="customActions"
+      [isHighlighted]="isHighlighted"
     ></stream-message>
   </div>
 </ng-template>