Case-by-case, switch default view to divergence tree instead of temporal

[j23414]

Context

From blog comment:

I still think the default view should not be temporal for the all/genome dataset, and perhaps all of the "all" datasets!
https://next.nextstrain.org/norovirus/GII.17/genome?c=VP1_group&l=clock Looks pretty good so I'd be happy for it to be kept for some datasets

Description

Investigate on a case-by-case basis which trees should be divergence trees instead of temporal.

Examples

Possible solution

(Optional)