Initialize the RuntimeScheduler and TurboModule bindings via RuntimeExecutor

In order to minimize the dependency on the JSI runtime holder, this
switches the initialization of TurboModules and RuntimeScheduler
bindings to use the RuntimeExecutor, which hands us back the Runtime
instance.

Author: rozele

vnext/Shared/OInstance.cpp

@@ -361,17 +361,15 @@ InstanceImpl::InstanceImpl(
           winrt::Microsoft::ReactNative::ReactPropertyBag(propertyBag), m_runtimeScheduler);
     }
 
-    // Using runOnQueueSync because initializeBridge calls createJSExecutor with runOnQueueSync,
-    // so this is an attempt to keep the same semantics for exiting this method with TurboModuleManager
-    // initialized.
-    m_jsThread->runOnQueueSync([propertyBag,
-                                innerInstance = m_innerInstance,
-                                runtimeHolder = m_devSettings->jsiRuntimeHolder,
-                                runtimeScheduler = m_runtimeScheduler,
-                                turboModuleRegistry = m_turboModuleRegistry,
-                                longLivedObjectCollection = m_longLivedObjectCollection]() {
+    // Use RuntimeExecutor so non-ABI JSExecutorFactory instances passed in through DevSettings
+    // can use the same logic
+    runtimeExecutor([propertyBag,
+                     innerInstance = m_innerInstance,
+                     runtimeScheduler = m_runtimeScheduler,
+                     turboModuleRegistry = m_turboModuleRegistry,
+                     longLivedObjectCollection = m_longLivedObjectCollection](jsi::Runtime &runtime) {
       if (runtimeScheduler) {
-        RuntimeSchedulerBinding::createAndInstallIfNeeded(*runtimeHolder->getRuntime(), runtimeScheduler);
+        RuntimeSchedulerBinding::createAndInstallIfNeeded(runtime, runtimeScheduler);
       }
       auto turboModuleManager = std::make_shared<TurboModuleManager>(
           turboModuleRegistry,
@@ -386,10 +384,7 @@ InstanceImpl::InstanceImpl(
       };
 
       TurboModuleBinding::install(
-          *runtimeHolder->getRuntime(),
-          std::function(binding),
-          TurboModuleBindingMode::HostObject,
-          longLivedObjectCollection);
+          runtime, std::function(binding), TurboModuleBindingMode::HostObject, longLivedObjectCollection);
 
       // init TurboModule
       for (const auto &moduleName : turboModuleManager->getEagerInitModuleNames()) {