Add FinalFormAsyncSelect, AsyncSelectField, and FinalFormAsyncAutocomplete components

[johnnyomair]

Thin wrappers to ease using useAsyncOptionsProps() with FinalFormSelect and FinalFormAutocomplete.

Example

Previously:

const asyncOptionsProps = useAsyncOptionsProps(async () => {
    // Load options here
});

// ...

<Field component={FinalFormAsyncAutocomplete} {...asyncOptionsProps} />;

Now:

<Field
    component={FinalFormAsyncAutocomplete}
    loadOptions={async () => {
        // Load options here
    }}
/>

---

COM-793

[nsams]

@jamesricky do you also want a AsyncSelectField? And there is no AutocompleteField?!

[jamesricky]

@jamesricky do you also want a AsyncSelectField? And there is no AutocompleteField?!

If that reduces the code that has to be written when building a form: yes

[johnnyomair]

@jamesricky do you also want a AsyncSelectField? And there is no AutocompleteField?!

What do you think about conditionally rendering the component in SelectField based on the props?

[jamesricky]

@jamesricky do you also want a AsyncSelectField? And there is no AutocompleteField?!

What do you think about conditionally rendering the component in SelectField based on the props?

That would be cool 👍🏼

[johnnyomair]

@jamesricky do you also want a AsyncSelectField? And there is no AutocompleteField?!

What do you think about conditionally rendering the component in SelectField based on the props?

That would be cool 👍🏼

I tried this, but it doesn't make sense IMO. AsyncSelectField shouldn't support children etc. which SelectField supports. Having two separate components is probably better.

[johnnyomair]

And there is no AutocompleteField?!

Done in #2141.