Search bar not displaying above collection for a specific table

I have several tables in an app.
I can display any one of them in a collection.
However, the search bar is displayed above all collections except for one despite being selected.

Screenshots show the tables and the associated collection (I just changed the Source for each one.




This is true for this table no matter where I add it (e.g. same page, diff page). I use this same data source for an admin and client app. This is only happening in the admin app.

Another example:

Changing theme from light to dark etc doesn’t make a difference.

Any ideas?