Automatically selecting the provided value on a `Select` component

[stefanvermaas]

Please list the package(s) involved in the issue, and include the version you are using

• @shopify/ui-extensions
• @shopify/ui-extensions-react

Describe the bug

When rendering a Select in an Admin UI extension, it doesn't match the selected value.

Steps to reproduce the behavior:

1. Create a new Admin UI extension (block or action doesn't matter)
2. Create a Select with a couple of options
3. Use one of the options for the value of the select

Expected behavior

I would expect the Select to automatically mark the provided value as selected in the select box. However, it is not.

Screenshots

The ID of one of the partners is set to the value of this select box. However, it is showing the first available select option and not selecting the actual partner.

Additional context

I would love to help solve this bug. However, I find the way the codebase is set up impossible to navigate. Show me where I can work on the code, and I'll fix it myself.