Commit dea0fe5717a0ce72484bf6b827f5a871f816d4a2

Garret Rieger 2021-08-04T16:36:20

[subset] discard extra copies of a table in face builder. Fixes #2361. Stores tables in the builder in a hashmap so you end up with at most one copy of each table. Table serialization order is now based on tag sort order instead of order of insertion into the builder.