message: Update sidenav-component.ts
diff: @@ -29,7 +29,7 @@ import { Component } from '@angular/core';
  <a class="nav-link" routerLink="/events" routerLinkActive="active">Output events</a>
  </li>
  <li class="nav-item" routerLinkActive="active">
  - <a class="nav-link" routerLink="/dropdown-position">Dropdown position</a>
  + <a class="nav-link" routerLink="/dropdown-position" routerLinkActive="active">Dropdown position</a>
  </li>
  </ul>
  `
  