Update AzPreview.psd1 after each releasae (including OOB and preview release) (Azure#18917)

* Update AzPreview.psd1 after each releasae (including OOB and preview release)

* refine codes

Author: BethanyZhou

tools/RunVersionController.ps1

@@ -383,10 +383,13 @@ switch ($PSCmdlet.ParameterSetName)
         dotnet $PSScriptRoot/../artifacts/VersionController/VersionController.Netcore.dll
 
         Bump-AzVersion
-
-        Generate-AzPreview
-
-        # Generate dotnet csv
-        &$PSScriptRoot/Docs/GenerateDotNetCsv.ps1 -FeedPsd1FullPath "$PSScriptRoot\AzPreview\AzPreview.psd1" -CustomSource "https://www.powershellgallery.com/api/v2/"
     }
+    
 }
+
+# Each release needs to update AzPreview.psd1 and dotnet csv
+# Refresh AzPreview.psd1
+Generate-AzPreview
+
+# Generate dotnet csv
+&$PSScriptRoot/Docs/GenerateDotNetCsv.ps1 -FeedPsd1FullPath "$PSScriptRoot\AzPreview\AzPreview.psd1" -CustomSource "https://www.powershellgallery.com/api/v2/"