* fix: prevent recursive map type definition infinite compile cycle (#296)

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Co-authored-by: Tun Cham Roeun <[email protected]>

Author: zachdaniel

lib/ash_graphql.ex

@@ -740,7 +740,8 @@ defmodule AshGraphql do
         |> unwrap_type()
         |> all_attributes_and_arguments(all_domains, already_checked, true)
 
-      Ash.Type.NewType.new_type?(type) ->
+      Ash.Type.NewType.new_type?(type) && type not in already_checked ->
+        already_checked = [type | already_checked]
         constraints = Ash.Type.NewType.constraints(type, constraints)
         type = Ash.Type.NewType.subtype_of(type)
         nested_attrs(type, all_domains, constraints, already_checked)