public DataType getNewDataType() {
		DataType newDataType = dataTypeEditor.getCellEditorValueAsDataType();
		return newDataType != null ? newDataType : new Undefined1DataType();
	}
Returns the pending new datatype to change to.
@return the pending new datatype to change to
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/data/EditDataFieldDialog.java