Shrink width of the route:list to minimum required characters

[laacz]

Currently the new and improved route:list command is as wide as the available screen. Shrinking it to the minimum required width would yield better readability. See screenshots below (and nevermind ligatures, please:).

Current output:

Proposed output:

Would that be acceptable as a PR?

[laacz]

OK, went ahead with a PR already: #40875