Reconfigure custom content configuration

If you run the following UIKit app, you will see a collection view with compositional layout (list layout) and a diffable data source.

UICollectionViewListCell not resizing

Please run the following UIKit app.

How do I center a UIImageView vertically in a UICollectionViewListCell as a custom accessory?

Please run the following UIKit app.

UISearchBar resigns first responder when typing in UICollectionView

The following is a UIKit app with a collection view with one section, whose supplementary view sports a search bar.