"Copy Line Items" REST API and commerce action

Summary

"Copy Line Items" action changing the order of copying transaction Lines

Content

Experts,

Need you help for completing my requirement with best performance, also it seems like product bug or limitation.

I have 14 product model created recommended item lines in my transaction and my requirement is to create a copy of these in the same order using REST API action "copy line items".

REST API creating all lines but changing the order.

for e.g.,

PM1-1, PM2, PM3, PM1-2, PM4 changing to PM1-2, PM1-1, PM2, PM3, PM4 but we want to create same as in the API request.