vehicle-setup: Compass calibration page can be more clear

When someone enters this page, they most likely want to calibrate their compasses. The problem is: its not clear where to do it once you enter the page:


There are 4 calibration processes (3 of which are already available), but the buttons to start them are hidden in those expansible panels at the top right section.

This could be vastly improved with the following: replace those 4 panels with a big "Initiate calibration" button, which opens a modal, on which the available calibration options are shown, with clear buttons with the options names, and a description on why to choose that one. Something like this: