scrollable-region-focusable not seeing focusable content

### Product

axe-core

### Product Version

4.106.1

### Latest Version

- [x] I have tested the issue with the latest version of the product

### Issue Description

#### Expectation
Not to flag this as an issue as I can navigate the scrollable area with cursor keys

#### Actual
To solve this problem, you need to fix at least (1) of the following:
Element should have focusable content
Element should be focusable

#### How to Reproduce
Run axe DevTools plugin on this page https://smartshop.sainsburys.co.uk/

#### Additional context
Nope