Not all of the code is copied to the clipboard leading to trailing code to be not copied

[Aravind55597]

To reproduce the issue:

1. Copy this code

sample python code.txt

2. Paste on the python section of notehighlight and tick 'Copy to Clipboard' and untick 'Line Number'

3. Click ok on the python window and right click and paste on onenote

[elvirbrk]

Fixed in version 3.7