Combobox does not trigger form onChange event

### Provide a general summary of the issue here

As user I would expect that combobox triggers the form on Change event.

### 🤔 Expected Behavior?

When I change selection of combobox it triggers form on Change event.

### 😯 Current Behavior

When used in the form no native events are triggered.

### 💁 Possible Solution

_No response_

### 🔦 Context

_No response_

### 🖥️ Steps to Reproduce

[codesandbox](https://codesandbox.io/p/sandbox/react-spectrum-playground-forked-qwnxzr?file=%2Fsrc%2FApp.js%3A118%2C51)

~[https://codesandbox.io/p/sandbox/react-spectrum-playground-forked-qwnxzr?file=%2Fsrc%2FApp.js%3A118%2C51](https://codesandbox.io/p/sandbox/react-spectrum-playground-forked-qwnxzr?file=%2Fsrc%2FApp.js%3A118%2C51)~

### Version

Latest

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

Chrome

### If other, please specify.

_No response_

### What operating system are you using?

Mac OS

### 🧢 Your Company/Team

_No response_

### 🕷 Tracking Issue

_No response_

Start with the reproduction in src/App.js around line 118 of the linked CodeSandbox and inspect the Combobox form behavior in the repository. Verify the behavior in Chrome, then confirm that changing the selection triggers the form's onChange event as expected.

Written by the indexing model from the issue text.