@Override
	protected void cancelCallback() {
		selectedItems = null;
		close();
		gFilterTable.dispose();
	}
Returns the list of selected items or null if the dialog was cancelled.
@return  the list of selected items or null if the dialog was cancelled.
@deprecated see the class header
Ghidra/Framework/Docking/src/main/java/docking/widgets/dialogs/TableChooserDialog.java