Long pressing Notifications back navigation button presents empty navigation list

Expected behavior

The navigation menu has a list with titles. <img alt="Back navigation list with titles" src="https://github.com/wordpress-mobile/WordPress-iOS/assets/438664/e406e814-cb79-4138-8937-5d68bd08965b" width="300" />

For this particular context, the titles might be:

• "Notification Details" for the nested notification detail view.
• "Notifications" for the top-level notifications list view.

Actual behavior

The navigation menu has a list without titles. <img alt="Back navigation list without titles" src="https://github.com/wordpress-mobile/WordPress-iOS/assets/438664/46f173d6-5656-4209-9cf9-e24aca2dd643" width="300" />

Steps to reproduce the behavior

1. Navigate to Notifications.
2. Tap a "like" notification for a post or comment.
3. Tap the post or comment title for the "like" notification found at the top of the screen content.
4. Long press the back button.
5. Without lifting your finder, move your finger down the screen and away from the back navigation menu.
6. Note the empty list of navigation items.

Tested on iPhone 13 mini, iOS 17.0, Jetpack iOS / WordPress iOS 2.3.3