kern: write thread handle to tls +0x110 on creation

libraries/libmesosphere/source/svc/kern_svc_thread.cpp

@@ -66,6 +66,9 @@ namespace ams::kern::svc {
             /* Add the thread to the handle table. */
             R_TRY(process.GetHandleTable().Add(out, thread));
 
+            /* Pass the thread handle to the thread local region. */
+            static_cast<ams::svc::ThreadLocalRegion *>(thread->GetThreadLocalRegionHeapAddress())->thread_handle = *out;
+
             R_SUCCEED();
         }