fix node::AtExit() crash

(cherry picked from commit 82d2a5b46f4ae84e397e0afd19b1fed2ef4b5362)

src/node.cc

@@ -4103,7 +4103,7 @@ uv_loop_t* GetCurrentEventLoop(v8::Isolate* isolate) {
 
 
 void AtExit(void (*cb)(void* arg), void* arg) {
-  auto env = Environment::GetThreadLocalEnv();
+  auto env = node::Environment::GetCurrent(v8::Isolate::GetCurrent());
   AtExit(env, cb, arg);
 }