Function getParentModelGroupKey

renderer.js:19031–19033

(parentModel)

    el.style.minWidth = columnsBox + 'px';
    el.style.flex = '1 0 ' + columnsBox + 'px';
  });
  grid.querySelectorAll('.file-item-list, .parent-model-group-list').forEach(el => {
    el.style.width = width + 'px';
    el.style.minWidth = width + 'px';
  });
  return width;