Fix Document enumeration for Dictionary types to resolve WebAuthn serialization errors #3838
+151
−1
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Description
Fixed a serialization bug in the Document class where the IEnumerator IEnumerable.GetEnumerator() method always attempted to convert Documents to Lists, causing InvalidDocumentTypeConversionException when the Document contained Dictionary structures. Updated the method to handle both Dictionary and List types, matching the pattern already used in the non-generic IEnumerable.GetEnumerator() method.
Motivation and Context
This change fixes a critical issue where WebAuthn operations like StartWebAuthnRegistrationAsync were failing with serialization errors. The WebAuthn service returns response data as Dictionary structures, but the Document enumeration logic was incorrectly assuming all Documents were Lists during JSON serialization.
Fixes #3837
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