Small fixes

Author: alexeyzimarev

.github/FUNDING.yml

@@ -1,3 +1,3 @@
 # These are supported funding model platforms
 
-github: alexeyzimarev
+github: restsharp

docs/.idea/GitLink.xml

@@ -68,7 +68,7 @@ public abstract class RestResponseBase {
     /// <summary>
     /// Whether or not the HTTP response status code indicates success and no other error occurred (deserialization, timeout, ...)
     /// </summary>
-    public bool IsSuccessful { get => IsSuccessStatusCode && ResponseStatus == ResponseStatus.Completed; }
+    public bool IsSuccessful => IsSuccessStatusCode && ResponseStatus == ResponseStatus.Completed;
 
     /// <summary>
     /// Description of HTTP status returned

src/RestSharp/Response/RestResponseBase.cs

@@ -88,6 +88,7 @@ public TwitterAuthenticator(string baseUrl, string clientId, string clientSecret
 
     protected override async ValueTask<Parameter> GetAuthenticationParameter(string accessToken) {
         var token = string.IsNullOrEmpty(Token) ? await GetToken() : Token;
+        Token = token;
         return new HeaderParameter(KnownHeaders.Authorization, token);
     }