When xliff file is uploaded , source strings are duplicated with some spaces (which are not intended) in AEM

[chaitanyaAlwala]

AEM Version 6.5.5(SP5)
No Dispatcher:
Java : jdk 11:
ACS Commons : 4.3.0

Expected Behavior
I uploaded a xliff translation dictionary with source strings as en , and target strings as es. "id" in the translation.html and id in xliff file are different.
Expected: Under same row and "es" column new strings are added.

Actual Behavior
after the upload ,the source strings are duplicated , previous souce strings has target languages ,but newly uploaded target language shows in a different row .

@justinedelson
@joerghoh
Sir Pls help