Updating IDDP push (#2616)

Author: trwalke

build/template-Build-run-tests-sign.yml

@@ -214,7 +214,7 @@ steps:
 
 - task: NuGetCommand@2
   displayName: 'Upload NuGet Package to VSTS NuGet'
-  condition: eq(variables['NugetPackageType'], 'preview')
+  condition: eq(variables['WilsonVersion'], '')
   inputs:
     command: push
     packagesToPush: '$(Build.Repository.LocalPath)\artifacts\*.nupkg'