Image Alt text not being retained with delivery tier config

[ravuthu]

The JSON from DM openAPI has been updated. So the alt text is not being populated.

Title should be present under computedMetadata._embedded.[http://ns.adobe.com/adobecloud/rel/metadata/embedded]

https://cq-dev.slack.com/archives/C04RNGXCFD0/p1748325322736029?thread_ts=1747940802.272309&cid=C04RNGXCFD0