function setFocusOnColumnHeaderOfLastFocusedDataCell(oTable, oEvent) {
		const oCellInfo = TableUtils.getFocusedItemInfo(oTable);
		oTable._getKeyboardExtension().focusItem(oCellInfo.cellInRow, oEvent);
	}
Sets the focus to the corresponding column header of the last known cell position.

@param {sap.ui.table.Table} oTable Instance of the table.
@param {jQuery.Event} oEvent The event object.