Sync eng/common directory with azure-sdk-tools for PR 7634 (#1509)

* Fix sparse-checkout git command line behavior

* Use command arg parsing behavior in sparse-checkout.yml

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Co-authored-by: Daniel Jurek <djurek@microsoft.com>

eng/common/pipelines/templates/steps/sparse-checkout.yml

@@ -26,6 +26,11 @@ steps:
       # Define this inline, because of the chicken/egg problem with loading a script when nothing
       # has been checked out yet.
       script: |
+        # Setting $PSNativeCommandArgumentPassing to 'Legacy' to use PowerShell
+        # 7.2 behavior for command argument passing. Newer behaviors will result
+        # in errors from git.exe.
+        $PSNativeCommandArgumentPassing = 'Legacy'
+        
         function SparseCheckout([Array]$paths, [Hashtable]$repository)
         {
             $dir = $repository.WorkingDirectory