C# GenericHost support multiple accept headers and allow access to HttpContentHeaders on response #252

Job	Run time
Build .Net projects (samples/client/petstore/csharp/generichost/net9/AnyOf)	37s
Build .Net projects (samples/client/petstore/csharp/generichost/latest/ComposedEnum)	42s
Build .Net projects (samples/client/petstore/csharp/generichost/latest/InlineEnumAnyOf)	38s
Build .Net projects (samples/client/petstore/csharp/generichost/latest/Tags)	1m 3s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/FormModels)	50s
Build .Net projects (samples/client/petstore/csharp/generichost/latest/HelloWorld)	41s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/AllOf)	57s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare)	40s
Build .Net projects (samples/client/petstore/csharp/generichost/latest/OneOfList)	34s
Build .Net projects (samples/client/petstore/csharp/httpclient/net9/Petstore-nonPublicApi)	38s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/NullReferenceTypes)	55s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate)	40s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/Petstore)	51s
Build .Net projects (samples/client/petstore/csharp/httpclient/net9/Petstore)	34s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/OneOf)	46s
Build .Net projects (samples/client/petstore/csharp/restsharp/net9/EnumMappings)	39s
Build .Net projects (samples/client/petstore/csharp/generichost/net9/SourceGeneration)	47s
	12m 32s

Provide feedback