Format the project with 'dotnet format' (#2551)

* Sync and Re-Format

* Fix Title string.

* Fix indentation.

src/Discord.Net.Rest/API/Rest/UploadInteractionFileParams.cs

@@ -41,7 +41,7 @@ namespace Discord.API.Rest
         public IReadOnlyDictionary<string, object> ToDictionary()
         {
             var d = new Dictionary<string, object>();
-           
+
 
             var payload = new Dictionary<string, object>();
             payload["type"] = Type;