Enable License Scanning Policies as new type for Scan Result Policies

What does this MR do and why?

This MR enables license_scanning_policies feature flag by default.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #382750 (closed)