Expected behavior*To have blocked axis in mdbSortableContainer*Actual behavior[lockAxis]="'y'" does not work

Resources (screenshots, code snippets etc.)

<div
  mdbSortableContainer
  #draggableContainer
  class="sortable-list"
  (itemDrop)="onDrop($event)"
>
  <div
    [boundaryElement]="draggableContainer"
    mdbDraggable
    [lockAxis]="'y'"
    *ngFor="let item of items"
    class="sortable-item"
    [handle]="handle"
  >