@Override
		public DataType getDataType() {
			DataType dt = dtc.getDataType();
			if (dt instanceof BadDataType && getLength() == 1) {
				return DataType.DEFAULT;
			}
			return dt;
		}
{@link StackComponentWrapper} wraps and standard {@link Structure}
{@link DataTypeComponent} and provides the neccessary stack offset 
translation.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/stackeditor/StackFrameDataType.java