Extend detection for unsupported types

[eiriktsarpalis]

Makes a couple of changes on unsupported types:

• Add runtime detection for constructor parameters with missing names in the reflection resolver. Fix ArgumentNullException in System.Text.Json.Serialization.Metadata.JsonTypeInfo #58690.
• Extend explicit use of UnsupportedTypeConverter from Type to MemberInfo types, which prevent the serializer from accidentally attempting to serialize any MethodInfo instances, which was the root cause of STJ failing ungracefully when attempting to serialize attributes #58947.

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Issue Details

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Makes a couple of changes on unsupported types:

• Add runtime detection for constructor parameters with missing names in the reflection resolver. Fix ArgumentNullException in System.Text.Json.Serialization.Metadata.JsonTypeInfo #58690.
• Extend explicit use of UnsupportedTypeConverter from Type to MemberInfo types, which prevent the serializer from accidentally attempting to serialize any MethodInfo instances, which was the root cause of STJ failing ungracefully when attempting to serialize attributes #58947.

Author:	eiriktsarpalis
Assignees:	-
Labels:	area-System.Text.Json
Milestone:	-