Many audio and video resources don't show in expected "file type" facets

[hackartisan]

Summary or User Story

e.g., search for "interview" -- lots of cassettte tape results. But if you filter to file type "audio" they do not show

Similarly, the resources in https://figgy.princeton.edu/catalog/0f912488-fa96-406f-9239-2d67fccddb02 do not show up when you filter to file type "video"

Acceptance Criteria

This section can be completed by the DLS team. Some requirements to consider
including:

• The UI implemented for this issue meets accessibility requirements
• New functionality is documented

First step

This section can be completed by the DLS team