Method V1.Secrets.KeyValue.V2.PatchSecretAsync throw InvalidOperationException in v1.7.2

[EKovalenok]

Describe the bug
Thow exception in Polymath.cs MakeRequestAsync method then execute PatchSecretAsync(), because cannot remove from http message headers, 'Content-Type' header.

VaultSharp Version
1.7.2

Vault Version
1.12.2

Does this work with Vault CLI?
Yes

Sample Code Snippet
Non-confidential snippet of code

Exception Details/Stack Trace/Error Message

Unhandled exception. System.AggregateException: One or more errors occurred. (Misused header name, 'Content-Type'. Make sure request headers are used with HttpRequestMessage, response headers with HttpResponseMessage, and content headers with HttpContent objects.)
 ---> System.InvalidOperationException: Misused header name, 'Content-Type'. Make sure request headers are used with HttpRequestMessage, response headers with HttpResponseMessage, and content headers with HttpContent objects.
   at System.Net.Http.Headers.HttpHeaders.GetHeaderDescriptor(String name)
   at System.Net.Http.Headers.HttpHeaders.Remove(String name)
   at VaultSharp.Core.Polymath.MakeRequestAsync[TResponse](String resourcePath, HttpMethod httpMethod, Object requestData, IDictionary`2 headers, Boolean rawResponse, Action`1 postResponseAction)
   at VaultSharp.Core.Polymath.MakeVaultApiRequest[TResponse](String resourcePath, HttpMethod httpMethod, Object requestData, Boolean rawResponse, Action`1 postResponseAction, String wrapTimeToLive, Boolean unauthenticated)
   at VaultSharp.Core.Polymath.MakeVaultApiRequest[TResponse](String mountPoint, String path, HttpMethod httpMethod, Object requestData, Boolean rawResponse, Action`1 postResponseAction, String wrapTimeToLive, Boolean unauthenticated)
   at VaultSharp.V1.SecretsEngines.KeyValue.V2.KeyValueSecretsEngineV2Provider.PatchSecretAsync(String path, PatchSecretDataRequest patchSecretDataRequest, String mountPoint)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at System.Threading.Tasks.Task`1.get_Result()
   at Program.<Main>$(String[] args) in /Users/ekovalenok/Repositories/common-vault/samples/Vault.Sample/Program.cs:line 65

Any additional info
Version 1.7.1 work fine

In 1.7.2 trying remove header 'Content-Type' that does not exist in httpRequestMessage.Headers

[rajanadar]

thanks @EKovalenok for catching this. I'll release a fix by tomorrow. Fix in progress.

[rajanadar]

@EKovalenok I have published a fix. Can you please try https://www.nuget.org/packages/VaultSharp/1.7.2.1 ?

[EKovalenok]

Fixed

[rajanadar]

Sweet. Thanks for verifying quickly.