Fix mobile menu rendering collision with tooltip.
Fix mobile menu rendering collision with tooltip.

Bring the mobile-mode menu in front of the ⓘ icon.

graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust