Deduplidate assets in VMR builds (#4960)

* Deduplidate assets in VMR builds

* Update Publishing.props

Co-authored-by: Viktor Hofer <[email protected]>

---------

Co-authored-by: Viktor Hofer <[email protected]>

Author: jkoritzinsky

eng/Publishing.props

@@ -8,6 +8,17 @@
     <PlatformName Condition="'$(TargetArchitecture)' != ''">$(TargetArchitecture)</PlatformName>
   </PropertyGroup>
 
+  <!--
+    Only generate the productVersion.txt and windowsdesktop-productVersion.txt files when we're building
+    either the full VMR repo or not building in the VMR infrastructure.
+    This ensures that we don't produce these files in the "Repo source build" builds,
+    but we do produce them in both the VMR and the runtime official build.
+  -->
+  <PropertyGroup>
+    <ShouldGenerateProductVersionFiles Condition="'$(DotNetBuildOrchestrator)' == 'true' and '$(EnableDefaultRidSpecificArtifacts)' != 'true' and ('$(DotNetBuildPass)' == '' or '$(DotNetBuildPass)' == '1')">true</ShouldGenerateProductVersionFiles>
+    <ShouldGenerateProductVersionFiles Condition="'$(DotNetBuildOrchestrator)' != 'true' and '$(EnableDefaultArtifacts)' == 'true'">true</ShouldGenerateProductVersionFiles>
+  </PropertyGroup>
+
   <Target Name="GetNonStableProductVersion">
     <!-- Retrieve the non-stable runtime pack product version.
          Don't stabilize the package version in order to retrieve the VersionSuffix. -->
@@ -22,7 +33,7 @@
   <Target Name="GenerateProductVersionFiles"
           DependsOnTargets="GetNonStableProductVersion"
           BeforeTargets="PublishToAzureDevOpsArtifacts"
-          Condition="'$(EnableDefaultArtifacts)' == 'true'">
+          Condition="'$(ShouldGenerateProductVersionFiles)' == 'true'">
     <!-- Retrieve the runtime pack version -->
     <MSBuild Projects="$(RepoRoot)src/windowsdesktop/src/sfx/Microsoft.WindowsDesktop.App.Runtime.sfxproj"
              Targets="ReturnProductVersion">