"Sequence Variant" is hard to query

[cbizon]

Sequence Variant is one of our types. When I try to choose it in the picker, and I type "Sequence" it's in the list:

Adding a space makes it drop out of the list entirely:

Adding more of the name, up to "Variant" doesn't help:

I think we need to

1. Prefer classnames
2. Mark them as classnames somehow