Kernel: pass ref down to Object and wrap ID counter into kernel state

src/core/hle/kernel/client_session.cpp

@@ -13,7 +13,7 @@
 
 namespace Kernel {
 
-ClientSession::ClientSession(KernelSystem& kernel) {}
+ClientSession::ClientSession(KernelSystem& kernel) : Object(kernel) {}
 ClientSession::~ClientSession() {
     // This destructor will be called automatically when the last ClientSession handle is closed by
     // the emulated application.