Labels on summary boxes

[wkdewey]

Need to show the facet key that is originally in the API, not the search params which may be altered. See https://github.com/whitmanarchive/whitman-issues/issues/397.

[wkdewey]

see https://github.com/whitmanarchive/whitmanarchive_rails/pull/75/commits/81eeae5ae91d9d78827cd35280696ce6c8258671 for how I fixed it in the Whitman rails site