Higher quality of screenshot

[Andrei-WongE]

Describe the bug
When commenting a presentation, the quality of the screenshot is low, letters and equations have a low legibility. This is not an error, just an potential improvement.

To Reproduce
Steps to reproduce the behavior:

1. Generate Note
2. Go to options page

Expected behavior
The screenshot should be of higher quality as one of the reasons to make a note is to save that particular slide.

Screenshots

Browser (please complete the following information):

• Browser: chrome
• Version 92.0.4515.131 (Official Build) (64-bit)

Additional context
None