core: hle: kernel: object: Implement Finalize() virtual method.

src/core/hle/kernel/session.h

@@ -39,6 +39,8 @@ public:
 
     bool IsSignaled() const override;
 
+    void Finalize() override {}
+
     std::shared_ptr<ClientSession> Client() {
         if (auto result{client.lock()}) {
             return result;