fix(paco): Support drafting for non-human sizes

fixes #1316

This was due to the fact that we use `mm` options in this pattern.
Which goes to show that we really should crack down on using mm
options if we want to support size ranges that go beyond humans.

packages/paco/tests/shared.test.js

@@ -26,7 +26,8 @@ testPatternDrafting(
   Paco,
   expect,
   models,
-  patterns
+  patterns,
+  true
 )
 
 // Test sampling