Fix blob module in paper (#14716)

* Fix blob module in paper

* Change files

Author: acoates-ms

change/react-native-windows-ab2e6413-5ba1-44e3-8e92-007ed300d1d3.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fix blob module in paper",
+  "packageName": "react-native-windows",
+  "email": "30809111+acoates-ms@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}

vnext/Microsoft.ReactNative/IReactModuleBuilder.cpp

@@ -3,6 +3,7 @@
 
 #include "pch.h"
 #include "IReactModuleBuilder.h"
+#include <IReactContext.h>
 #include <strsafe.h>
 #include "DynamicWriter.h"
 #include "ReactHost/MsoUtils.h"
@@ -159,6 +160,13 @@ std::unique_ptr<CxxModule> ReactModuleBuilder::MakeCxxModule(
   for (auto &initializer : m_initializers) {
     initializer(m_reactContext);
   }
+  for (auto &initializer : m_jsiinitializers) {
+    initializer(
+        m_reactContext,
+        winrt::get_self<winrt::Microsoft::ReactNative::implementation::ReactContext>(m_reactContext)
+            ->GetInner()
+            .JsiRuntime());
+  }
   return std::make_unique<ABICxxModule>(
       nativeModule, Mso::Copy(name), Mso::Copy(m_constantProviders), Mso::Copy(m_methods));
 }