fix(dotnet): Map SuppressResumeEvent to disableResume on the wire

The .NET SDK's JsonSerializerDefaults.Web camelCases SuppressResumeEvent
to suppressResumeEvent, but the server expects disableResume. Add an
explicit JsonPropertyName attribute to produce the correct wire name.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: willglas

dotnet/src/Client.cs

@@ -2385,7 +2385,7 @@ internal record ResumeSessionRequest(
         bool? EnableHostGitOperations,
         bool? EnableSessionStore,
         bool? EnableSkills,
-        bool? SuppressResumeEvent,
+        [property: JsonPropertyName("disableResume")] bool? SuppressResumeEvent,
         bool? Streaming,
         bool? IncludeSubAgentStreamingEvents,
         IDictionary<string, McpServerConfig>? McpServers,