Controls bar alignment is off when sidebar is open

[jancborchardt]

Here is the controls bar when the sidebar is closed:

When the sidebar is open, the time info (and other participants) on the right are hidden by the overlapping sidebar, and the formatting controls stay in place, making it look misaligned from the content:

Played around with the CSS and position:sticky a bit but no luck so far. I’m thinking we might need a class on the body to tell if the sidebar is open or not.

[juliusknorr]

This is actually no longer reproducible on master, seems we fixed this on the way.