Fix sidebar navigation when there are more than 2 parents

[justinbmeyer]

Example:

[justinbmeyer]

Assigned to @atomgroomdesign, but if @tomgreever or @adrifolio want to take a crack at a design, that would be great.

[atomgroom]

Hey @justinbmeyer - I am glad to take a look at this for you. Can you fit me in for Friday morning to help me get the local dev environment up and running? I wasn't able to do it on my own last week.

[justinbmeyer]

absolutely. Just ping me.