msi: ignore errors from custom action creating the smb shared dir

if an smb share with the same name ('crc-dir0') already exits the
custom action fails marking the whole installation as failed

we can safely ignore this error as crc also checks that the share
exists before trying to use it

packaging/windows/product.wxs.template

@@ -112,7 +112,7 @@
             Value=""[POWERSHELLEXE]" -NonInteractive -ExecutionPolicy Bypass -NoProfile -Command "New-SmbShare -Name '[SHAREDDIRNAME]' -Path '[USERFOLDER]' -FullAccess '[LogonUser]'""
             Before="CreateSMBShare"
             Sequence="execute"/>
-        <CustomAction Id="CreateSMBShare" BinaryKey="WixCA" DllEntry="WixQuietExec64" Execute="deferred" Impersonate="no" Return="check" />
+        <CustomAction Id="CreateSMBShare" BinaryKey="WixCA" DllEntry="WixQuietExec64" Execute="deferred" Impersonate="no" Return="ignore" />
         <SetProperty Action="CAEnableFileAndPrinterSharing"
             Id="EnableFileAndPrinterSharing"
             Value="&quot;[POWERSHELLEXE]&quot; -NonInteractive -ExecutionPolicy Bypass -NoProfile -Command &quot;Set-NetFirewallRule -DisplayGroup 'File And Printer Sharing' -Enabled True -Profile 'Private,Public'&quot;"