ComboBox is not selectable on small screen or frame

### Provide a general summary of the issue here

When screen is not tall enough to fit all options in ComboBox popover it is almost impossible to select value using arrow keys or mouse

### 🤔 Expected Behavior?

Options should be selectable on any screen size

### 😯 Current Behavior

Popover disappear on arrow keys

### 💁 Possible Solution

Potentially will be fixed if https://github.com/adobe/react-spectrum/issues/6760 and/or https://github.com/adobe/react-spectrum/issues/6609 fixed

### 🔦 Context

The problem appears when we have form iframed, it also challenging to select value on landscape mobile as it is hard to scroll list very precisely to not accidentally scroll page and loose popover

### 🖥️ Steps to Reproduce

open https://react-spectrum.adobe.com/react-spectrum/ComboBox.html make screen small (Pixel 7 landscape, this will have issue, but not always, depends on how deep you scroll) or to easier reproduce set screen to 800x250 and open first example using keyboard and try to select the first or the last item.

### Version

1.5

### What browsers are you seeing the problem on?

Firefox, Chrome

### If other, please specify.

_No response_

### What operating system are you using?

Windows / Android

### 🧢 Your Company/Team

_No response_

### 🕷 Tracking Issue

_No response_

Reproduce the issue in the ComboBox documentation example at 800x250 or on a Pixel 7 in landscape, using both arrow keys and the mouse. Read the related issues #6760 and #6609 first; done means the popover remains usable and every option can be selected when the available screen height is small.

Written by the indexing model from the issue text.