Method _selectHeaderRow

packages/main/src/TableSelection.ts:230–237

(selected: boolean)

	}

	_selectHeaderRow(selected: boolean) {
		const selectedSet = this.selectedAsSet;
		this._table!.rows.filter(row => row._isSelectable).forEach(row => {
			const rowKey = this.getRowKey(row);
			selectedSet[selected ? "add" : "delete"](rowKey);
		});
		this.selectedAsSet = selectedSet;
	}

	_invalidateTableAndRows() {
		if (!this._table) {