Feed service tweaks

What does this MR do?

Tweaks the Feed Service in the following way:

• Adds endpoint to fetch the user's current Daily
• Sort Dailies in Feed by creation date
• Returns user's Daily alongside the friend's Dailies in the Feed response

Testing

• Run the Feed endpoint.
• User Daily should be included in separate field.
• Run new Current User Daily endpoint.
• User current Daily should be returned.

Relevant issues

No relevant issues.