Receivables Invoice Line Description Getting updated with Memo Line Description + REST API

Summary

Invoice with Rules , import line description from the source system.

Content

We are integrating Salesforce to Fusion ERP and we want to insert lease invoices from salesforce:

Creating Invoices with rules, through API , unfortunately, invoice line description is getting updated with memo line description.

I have found the Metalink BugDB:29611033 --> ER for this functionality.

Alternatively, we thought of using web services, but there is no option to update the line description, there is a an ER for this too...

Is It Possible to Update AR Invoice Line Description via Webservice or Restapi Contract Invoice Line Description Needs to Be Changed (Doc ID 2596855.1)