fix: fix form handling of "simple" union type (#220) (#238) #790

Job	Run time
ash-ci / mix igniter.upgrade	3s
ash-ci / mix deps.get	15s
ash-ci / audit	45s
ash-ci / MIX_ENV=test mix.compile	47s
ash-ci / mix format --check-formatted	57s
ash-ci / mix docs	34s
ash-ci / mix credo --strict	34s
ash-ci / mix sobelow	42s
ash-ci / mix spark.cheat_sheets --check	33s
ash-ci / mix spark.formatter --check	37s
ash-ci / MIX_ENV=dev mix.compile	31s
ash-ci / mix deps.unlock --check-unused	41s
ash-ci / mix ash.codegen --check	0s
ash-ci / mix dialyzer	4m 3s
ash-ci / mix test	1m 16s
ash-ci / Deploy docs to GitHub pages.	7s
ash-ci / Release	0s
	12m 25s

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