[Bug] `ModalRoot` and `DialogHeader` React components are undefined in the latest steam beta

[BossSloth]

Before Reporting

• I found no existing issues matching my bug
• My issue is not caused by a theme
• My issue is not caused by a plugin

Describe the Bug

The ModalRoot and DialogHeader React components are undefined in the latest steam beta. You can still find them in the code manually but steam changed them slightly and now millennium can't find them anymore.
You can likely use this fix for the ModalRoot.

Expected Behavior

For them to not be undefined

Steps To Reproduce

1. set steam to steam beta
2. open steam with -dev
3. open de SharedJSContext console
4. see that MILLENNIUM_API.ModalRoot and MILLENNIUM_API.DialogHeader are undefined which were previously not

Operating System

Windows

Anything else?

No response

[shdwmtr]

Do you have the fix for DialogHeader

[BossSloth]

No found the ModalRoot fix while creating this issue. Was hoping they fixed DialogHeader too. I have no clue how to fix it and don't have the time.