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Description
Is your feature request related to a problem? Please describe.
When creating a feature flag with the new Microsoft feature flag schema, the new properties are being lost when the feature flag is being serialized here.
Describe the solution you'd like
Add the new feature flag properties to the Feature Flag Type provided by App configuration in the https://github.com/microsoft/FeatureManagement/blob/main/Schema/FeatureFlag.v2.0.0.schema.json.
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.
Additional context
Add any other context or screenshots about the feature request here.