Report enhancements for plagiarism on our backend coding environment

In continuation with our enhancements on our general purpose backend coding environment (CodeLysis) w.r.t Plagiarism calculation, we have added specific reasoning for test-takers whose plagiarism score is tagged as N/A.

There are multiple reasons a test-taker's plagiarism score can be tagged as N/A and hence, this enhancement will let users know the exact reason behind this particular tag.

Alongside this, accessing Mercer | Mettl's documentation on Plagiarism calculation directly from the test-taker's report is now just a click way.