src/vs/platform/actions/browser/dropdownWithPrimaryActionViewItem.ts/DropdownWithPrimaryActionViewItem/update
class DropdownWithPrimaryActionViewItem:	update(dropdownAction: IAction, dropdownMenuActions: IAction[], dropdownIcon?: string): void {
		this._dropdown.dispose();
		this._dropdown = new DropdownMenuActionViewItem(dropdownAction, dropdownMenuActions, this._contextMenuProvider, {
			menuAsChild: true,
			classNames: ['codicon', dropdownIcon || 'codicon-chevron-down']
		});
		if (this._dropdownContainer) {
			this._dropdown.render(this._dropdownContainer);
		}
	}