Unable to scroll down!

[mbnoimi]

I'm submitting a ...

• [x] bug report
• [ ] feature request
• [ ] other

Current behavior:

Unable to scroll down "المنافقون" sura in "Reading" mode.

For issue, please provide steps to reproduce it:

• Search for "المنافقون" sura.
• Select the result of search.
• Choose Settings -> Reading then Settings -> Night mode
• Scroll down for browsing new pages.
• booya... javascript doesn't fetch more data (see the screencast for more details)

Anything else:

• Firefox 70.0.1 (64-bit)
• Chromium 78.0.3904.70
• Linux mint 19.2 xfce 64-bit