private DataType createDataTypeInOriginalDTM(StructureDataType structureDataType) {
		boolean commit = false;
		int transactionID =
			originalDTM.startTransaction("Create structure " + structureDataType.getName());
		try {
			DataType addedDataType =
				originalDTM.addDataType(structureDataType, DataTypeConflictHandler.DEFAULT_HANDLER);
			commit = true;
			return addedDataType;
		}
		finally {
			originalDTM.endTransaction(transactionID, commit);
		}
	}
Get a unique datatype name.  Method based on the logic used by 
{@link DataTypeManager#getUniqueName(CategoryPath, String)} but 
checks both the original and view DTMs for uniqueness.
@param path category path
@param baseName datatype name
@return unique datatype name
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/StructureEditorModel.java