Scrollbar in sidebar

[UvYadav04]

The y-axis scrollbar in the sidebar, in dark mode seen as white that do not look much good. we can remove it and the scroll will work as usual.

[mgogoulos]

thanks for opening, it's worth to check this

[ArthSonani]

I’d like to work on this issue. @mgogoulos could you please assign it to me?

[mgogoulos]

sure!

[ArthSonani]

I have made the changes, @mgogoulos please review it.

[mrjoshuap]

Not sure the status of this one; added #1463 to get it going again.