message: fix(templates) fix size of icons in the images list
  fix size of icons by markup in the templates lists
diff: -<md-icon
  +<div
  class="os-icon"
  [ngSwitch]="template.osType.osFamily"
  md-card-avatar
  height="40"
  >
  </ng-template>
  - <ng-template ngSwitchDefault>help</ng-template>
  -</md-icon>
  + <ng-template ngSwitchDefault>
  + <md-icon class="os-icon">help</md-icon>
  + </ng-template>
  +</div>
  