set nav label height fix (#65)

Author: eksrha

projects/ng-mat-components/src/fs-nav-frame/components/fs-nav-frame-sidebar-item/fs-nav-frame-sidebar-item.component.scss

@@ -15,6 +15,7 @@ fs-nav-frame-sidebar-item button {
     width: 100%;
     overflow: hidden;
     text-overflow: ellipsis;
+    height: 4rem !important;
 
     > i {
       margin-left: 12px;