Factor out construction of font-related JSON schemas (#15341)

This PR factors out the construction of the font-related JSON schemas,
as they were used in multiple places.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

b8982ad38500163ca06b441cb7999a6d58a82531

Parent: 1ffb34c

Committed by GitHub <noreply@github.com> on 7/27/2024, 4:28:50 PM