Fix for pull request finding 'Equals on incomparable types'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: edburns

src/main/java/com/github/copilot/sdk/CopilotSession.java

@@ -710,7 +710,8 @@ private void executePermissionAndRespondAsync(String requestId, PermissionReques
                 invocation.setSessionId(sessionId);
                 handler.handle(permissionRequest, invocation).thenAccept(result -> {
                     try {
-                        if (PermissionRequestResultKind.NO_RESULT.equals(result.getKind())) {
+                        PermissionRequestResultKind kind = PermissionRequestResultKind.valueOf(result.getKind());
+                        if (PermissionRequestResultKind.NO_RESULT.equals(kind)) {
                             // Handler explicitly abstains — leave the request unanswered
                             // so another client can handle it.
                             return;