Fix reference to ext (#665)

FunctionsSdkE2ETests/SdkVersion.props

@@ -1,4 +1,4 @@
-<Project>  
+<Project>
   <PropertyGroup>
     <!-- These are the latest SDK versions -->
     <MicrosoftNetSdkFunctionsV4Version>4.5.0</MicrosoftNetSdkFunctionsV4Version>
@@ -7,6 +7,6 @@
     <MicrosoftNetSdkFunctionsV4PreviousVersion>4.4.1</MicrosoftNetSdkFunctionsV4PreviousVersion>
 
     <!-- Some tests directly reference EMG; this should be latest -->
-    <ExtensionsMetadataGeneratorDirectReferenceVersion>4.5.0</ExtensionsMetadataGeneratorDirectReferenceVersion>
+    <ExtensionsMetadataGeneratorDirectReferenceVersion>4.0.1</ExtensionsMetadataGeneratorDirectReferenceVersion>
   </PropertyGroup>
 </Project>