Update UnbrandedGeneratorVersion to 1.0.0-alpha.20250924.3 (Azure#52830)

* Update UnbrandedGeneratorVersion to 1.0.0-alpha.20250924.3

* fix test

* remove local debugging artifacts

---------

Co-authored-by: Ubuntu <cloudtest@24d7427bc00000R.tkkhlgj2u51eln3mcb0lygmbye.dx.internal.cloudapp.net>
Co-authored-by: Jorge Rangel <[email protected]>

Author: 3 people

eng/Packages.Data.props

@@ -467,7 +467,7 @@
 
   <PropertyGroup>
     <TestProxyVersion>1.0.0-dev.20250922.2</TestProxyVersion>
-    <UnbrandedGeneratorVersion>1.0.0-alpha.20250924.2</UnbrandedGeneratorVersion>
+    <UnbrandedGeneratorVersion>1.0.0-alpha.20250924.3</UnbrandedGeneratorVersion>
     <AzureGeneratorVersion>1.0.0-alpha.20250922.2</AzureGeneratorVersion>
   </PropertyGroup>
 </Project>

eng/http-client-csharp-emitter-package-lock.json

@@ -2,7 +2,7 @@
   "main": "dist/src/index.js",
   "dependencies": {
     "client-plugin": "file:../../../../eng/packages/plugins/client",
-    "@typespec/http-client-csharp": "1.0.0-alpha.20250924.2"
+    "@typespec/http-client-csharp": "1.0.0-alpha.20250924.3"
   },
   "devDependencies": {
     "@azure-tools/typespec-client-generator-core": "0.60.0",

eng/http-client-csharp-emitter-package.json

@@ -1,4 +1,3 @@
 using global::Azure.Response response = result;
-global::System.BinaryData data = response.Content;
-using global::System.Text.Json.JsonDocument document = global::System.Text.Json.JsonDocument.Parse(data);
+using global::System.Text.Json.JsonDocument document = global::System.Text.Json.JsonDocument.Parse(response.Content);
 return global::Samples.Models.Foo.DeserializeFoo(document.RootElement.GetProperty("someResultPath"), global::Samples.ModelSerializationExtensions.WireOptions);