filterOptions doesn't work with async function

[gubarez]

Bug Report

In relationship, filterOptions doesn't use the returned value of the async function.

Steps to Reproduce

{
            name: 'variations',
            type: 'relationship',
            relationTo: 'product-variations',
            hasMany: true,
            unique: true,
            filterOptions: async () => ({
                myfield: {equals: 'value1'}
            }),
}

Other Details

Using payload version 1.5.6

[JarrodMFlesch]

@gubarez this is currently not supported. You can see the type for filterOptions does not return a promise and therefore does not support async.

This file would need to be updated, and where getFilterOptionsQuery is called to support async/await. If you want to throw together a PR for this support let me know!

For now I will convert this into a discussion 🙂