Expected behavior

By using the class "btn-group" : Default styling for the Bootstrap Dropdown component

Actual behavior

Like if I was using the class "dropdown" : The Material Design styling for Angular Bootstrap Dropdown component

This bug was not present in the previous version

It's the same bug reported here : https://mdbootstrap.com/support/angular/bug-default-dropdown-dropup-material-dropdown/ but with de drop "down" (the drop "up" works well)

Resources (screenshots, code snippets etc.)

    <div class="btn-group" mdbDropdown>
      <button mdbDropdownToggle type="button" mdbBtn color="light" class="dropdown-toggle waves-light" mdbWavesEffect>
        {{ 'SELECT' | translate }}
      </button>

      <div class="dropdown-menu dropdown-menu-right">
        <a class="dropdown-item" (click)="onEdit()">{{ 'EDIT' | translate }}</a>
        <a class="dropdown-item" (click)="onDelete()">{{ 'REMOVAL' | translate }}</a>
      </div>
    </div>