BUG: No mapping found for [post__in] in order to sort on

[MARQAS]

Describe the bug

orderby => post__in is not working and throwing an error: No mapping found for [post__in] in order to sort on

Steps to Reproduce

• Install Debug bar and Debug Bar ElasticPress
• Enable the query logging in the EP settings.
• Add a query with orderby => post__in
• Example query:

new WP_Query(
   	array(
   		'posts_per_page' => 5,
   		'no_found_rows' => true,
   		'post_status' => 'publish',
   		'post__in' => 
   		array(
   			0 => 25,
   			1 => 26,
   			2 => 24,
   		),
   		'orderby' => 'post__in',
   		'ep_integrate' => true,

   	)
   );

Screenshots, screen recording, code snippet

No response

Environment information

No response

WordPress and ElasticPress information

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[MARQAS]

Apologize, We already have a ticket to tackle this: #773