fix windows build (microsoft#187575)

Author: joaomoreno

build/azure-pipelines/win32/product-build-win32.yml

@@ -297,7 +297,7 @@ steps:
           $env:ESRPAADUsername = "$(esrp-aad-username)"
           $env:ESRPAADPassword = "$(esrp-aad-password)"
           exec { yarn gulp "vscode-win32-$(VSCODE_ARCH)-user-setup" --sign }
-          $SetupPath = ".build\win32-$(VSCODE_ARCH)\user-setup\VSCodeSetup-$(VSCODE_ARCH)-$(VSCODE_VERSION).exe"
+          $SetupPath = ".build\win32-$(VSCODE_ARCH)\user-setup\VSCodeUserSetup-$(VSCODE_ARCH)-$(VSCODE_VERSION).exe"
           mv .build\win32-$(VSCODE_ARCH)\user-setup\VSCodeSetup.exe $SetupPath
           echo "##vso[task.setvariable variable=USER_SETUP_PATH]$SetupPath"
         displayName: Build user setup