private Settings getOriginalSettings() {
		if (dtc != null) {
			return dtc.getDefaultSettings();
		}
		return dataType.getDefaultSettings();
	}
Get base datatype associated with any array (include typedef of array)
@param dt datatype
@return base array datatype or specified dt if not an array type
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/data/DataTypeSettingsDialog.java