Extended webhook events: include property values for invariant content

[Copilot]

For invariant (non-multilingual) content, the extended webhook payload from ExtendedContentPublishedWebhookEvent and ExtendedContentSavedWebhookEvent contained no property editor data — only top-level fields like id were present. This broke the Umbraco.Compose.Integrations.UmbracoCms.Ingestion package.

Cause

BuildCultureProperties iterates deliveryContent.Cultures, which is always empty for invariant content — ApiContentResponseBuilder.GetCultures() filters out the empty-string invariant culture entry. The deliveryContent.Properties dict (correctly populated by NoopOutputExpansionStrategy) was never serialized into the payload.

Changes

• ExtendedContentPublishedWebhookEvent / ExtendedContentSavedWebhookEvent: Add deliveryContent.Properties to the returned anonymous payload object.

return new
{
    deliveryContent.Id,
    deliveryContent.ContentType,
    deliveryContent.Name,
    deliveryContent.CreateDate,
    deliveryContent.UpdateDate,
    deliveryContent.Properties,   // ← added
    Cultures = cultures,
};

The resulting payload now always carries a top-level properties field alongside cultures:

• Invariant content — properties has all values; cultures is empty
• Culture-variant content — properties reflects the ambient variation context; cultures carries per-culture data as before

The change is purely additive; existing consumers reading from cultures are unaffected.

• ExtendedContentWebhookEventTests: New unit tests asserting that the payload includes populated properties and empty cultures for invariant content, for both the published and saved events.

Warning

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