message: marix dynamic allowRowsDragAndDrop doens't work if matrix has less then two columns fixed
diff: @@ -21,9 +21,11 @@ export class DragDropMatrixRows extends DragDropCore<QuestionMatrixDynamicModel>
  protected getShortcutText(draggedElement: any): string {
  const matrix = this.parentElement;
  const index = matrix.visibleRows.indexOf(draggedElement) + 1;
  + const questionValue1 = draggedElement.cells.length > 1 ? draggedElement.cells[1].questionValue : undefined;
  + const questionValue0 = draggedElement.cells.length > 0 ? draggedElement.cells[0].questionValue : undefined;
  return (
  - draggedElement.cells[1].questionValue.value ||
  - draggedElement.cells[0].questionValue.value ||
  + questionValue1 && questionValue1.value ||
  + questionValue0 && questionValue0.value ||
  "" + index
  );
  }
  