Enable direct debugging by default in playground composition app (#12855)

Author: acoates-ms

packages/playground/windows/playground-composition/Playground-Composition.cpp

@@ -88,6 +88,7 @@ struct WindowData {
   winrt::Microsoft::ReactNative::ReactInstanceSettings InstanceSettings() noexcept {
     if (!m_instanceSettings) {
       m_instanceSettings = winrt::Microsoft::ReactNative::ReactInstanceSettings();
+      m_instanceSettings.UseDirectDebugger(true);
       m_instanceSettings.UseFastRefresh(true);
     }
 
@@ -238,6 +239,15 @@ struct WindowData {
             }
           }
 
+          /*
+           * Uncomment this to run using the bridge.  This isn't publicly exposed, and isn't a mode that we will
+           * support (Fabric will always be bridgeless for windows.)  But it can be useful for internal bug diagnosis.
+           */
+          /*
+          winrt::Microsoft::ReactNative::ReactPropertyBag{host.InstanceSettings().Properties()}.Set(
+              winrt::Microsoft::ReactNative::ReactPropertyId<bool>(L"ReactNative", L"IsBridgeless"), true);
+          */
+
           // Nudge the ReactNativeHost to create the instance and wrapping context
           host.ReloadInstance();