Fix vpack clobbering and update to newer Windows container image (#1480)

* Update to newer Windows container image

* Pass newer host version to templates

* Stop clobbering compiler vpack contents

Author: DefaultRyan

.pipelines/OneBranch.Official.yml

@@ -27,6 +27,10 @@ extends:
     platform:
       name: 'windows_undocked'
       product: 'build_tools'
+    
+    featureFlags:
+      WindowsHostVersion:
+        Version: 2022
 
     cloudvault:
       enabled: false
@@ -117,8 +121,6 @@ extends:
               inputs:
                 script: |
                   set TargetDir=$(ob_outputDirectory)
-                  rd /s /q %TargetDir% >nul 2>&1
-                  md %TargetDir%
                   cd %TargetDir%
 
                   copy $(Build.SourcesDirectory)\vsix\Microsoft.Cpp.CppWinRT.props

.pipelines/OneBranch.PullRequest.yml

@@ -31,6 +31,10 @@ extends:
       name: 'windows_undocked'
       product: 'build_tools'
 
+    featureFlags:
+      WindowsHostVersion:
+        Version: 2022
+    
     globalSdl:
       isNativeCode: true
       tsa:

.pipelines/variables/OneBranchVariables.yml

@@ -10,7 +10,7 @@ variables:
   NUGET_XMLDOC_MODE: none
 
   # Docker image which is used to build the project https://aka.ms/obpipelines/containers
-  WindowsContainerImage: 'onebranch.azurecr.io/windows/ltsc2019/vse2022:latest' 
+  WindowsContainerImage: 'onebranch.azurecr.io/windows/ltsc2022/vse2022:latest' 
 
   Codeql.Enabled: true #  CodeQL once every 3 days on the default branch for all languages its applicable to in that pipeline.
   GDN_USE_DOTNET: true