Don't call jsQueue->quitSynchronous() immediately after construction (

#6781)

## Summary

This PR moves `jsQueue->quitSynchronously()` calls from
`ReanimatedRuntime::make` or `ReanimatedHermesRuntime` constructor to
`~WorkletsModuleProxy` as well as simplifies the logic.

I had to add `(void)jsQueue;` to avoid a warning due to unused variable.

## Test plan

> [!NOTE]
> I have tested this PR only on iOS Fabric in debug mode. Please test it
thoroughly across platforms, runtimes and build configurations prior to
merging.

packages/react-native-reanimated/Common/cpp/worklets/NativeModules/WorkletsModuleProxy.cpp

@@ -52,6 +52,7 @@ WorkletsModuleProxy::WorkletsModuleProxy(
           valueUnpackerCode_)) {}
 
 WorkletsModuleProxy::~WorkletsModuleProxy() {
+  jsQueue_->quitSynchronous();
   uiWorkletRuntime_.reset();
 }
 

packages/react-native-reanimated/Common/cpp/worklets/WorkletRuntime/ReanimatedHermesRuntime.cpp

@@ -64,10 +64,6 @@ ReanimatedHermesRuntime::ReanimatedHermesRuntime(
   auto adapter =
       std::make_unique<HermesExecutorRuntimeAdapter>(*runtime_, jsQueue);
   debugToken_ = chrome::enableDebugging(std::move(adapter), name);
-#else
-  // This is required by iOS, because there is an assertion in the destructor
-  // that the thread was indeed `quit` before
-  jsQueue->quitSynchronous();
 #endif // HERMES_ENABLE_DEBUGGER
 
 #ifndef NDEBUG

packages/react-native-reanimated/Common/cpp/worklets/WorkletRuntime/ReanimatedRuntime.cpp

@@ -26,26 +26,17 @@ std::shared_ptr<jsi::Runtime> ReanimatedRuntime::make(
     const std::string &name) {
   (void)rnRuntime; // used only for V8
 #if JS_RUNTIME_HERMES
-  // We don't call `jsQueue->quitSynchronous()` here, since it will be done
-  // later in ReanimatedHermesRuntime
-
   auto runtime = facebook::hermes::makeHermesRuntime();
   return std::make_shared<ReanimatedHermesRuntime>(
       std::move(runtime), jsQueue, name);
 #elif JS_RUNTIME_V8
-  // This is required by iOS, because there is an assertion in the destructor
-  // that the thread was indeed `quit` before.
-  jsQueue->quitSynchronous();
-
+  (void)jsQueue;
   auto config = std::make_unique<rnv8::V8RuntimeConfig>();
   config->enableInspector = false;
   config->appName = name;
   return rnv8::createSharedV8Runtime(&rnRuntime, std::move(config));
 #else
-  // This is required by iOS, because there is an assertion in the destructor
-  // that the thread was indeed `quit` before
-  jsQueue->quitSynchronous();
-
+  (void)jsQueue;
   return facebook::jsc::makeJSCRuntime();
 #endif
 }