Colourisation lost in Status Widget UI

Summary

It looks like after !1704 (merged) landed we lost some colouring, or at least have a change in behaviour. This is just a vanilla bst build $target, without --no-colors set.

Before:

After:

Steps to reproduce

//: # Run a bst build before and after the merge commit of !1704 (merged)

What is the current bug behavior?

//: # No colourisation in the status/widget render area, including the dynamic queue list for example

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