🎨 Fixed account/dark mode/settings buttons not being accessible on small mobile devices
🎨 Fixed account/dark mode/settings buttons not being accessible on small mobile devices

no issue

- the bottom nav bar sits on top of the side bar which meant you weren't able to scroll down far enough to access the bottom of the side bar
- added extra padding to the side bar when the mobile nav is displayed so bottom settings of the side nav sit above the bottom nav bar

TryGhost/Ghost-Admin,TryGhost/Ghost-Admin