docs(types): the retired condition shape is refused by CRUDActionSchema (#25923)

The enhanced-actions page still named the zod schema `ActionSchema`; the
const is `CRUDActionSchema` on `@object-ui/types/zod` since the rename.

Claude-Session: https://claude.ai/code/session_01WGufzhgTn8yFwqXxanJd4c
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

ui/content/docs/core/enhanced-actions.mdx

@@ -301,8 +301,9 @@ for an either/or.
 > `else`. The runner has always read this key as the predicate above, and an
 > object without a `source` reads as "no gate declared", so an action written
 > that way ran **unconditionally**, with no error at author time and no
-> diagnostic at runtime. The shape is now refused by `ActionSchema`'s zod schema
-> instead of being accepted and ignored.
+> diagnostic at runtime. The shape is now refused by the zod schema
+> (`CRUDActionSchema` in `@object-ui/types/zod`) instead of being accepted and
+> ignored.
 
 ## Post-success behaviour