Add licensingProductIds param & update services-config template

[ejnarvala]

Changes

• adds an action parameter unityLicensingProductIds
• updates services-config.json.template to set toolset based on unityLicensingProductIds. If this value is set to an empty string, it will use the server's default configuration, the same behavior as if the parameter was not included at alll

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Checklist

• Read the contribution guide and accept the code of conduct
• Docs (If new inputs or outputs have been added or changes to behavior that should be documented. Please make a PR
  in the documentation repo)
• Readme (updated or not needed)
• Tests (added, updated or not needed)