[compiler] Fix dropped ref with spread props in InlineJsxTransform

[jackpope]

When supporting ref as prop in #31558, I missed fixing the optimization to pass a spread-props-only props object in without an additional object copy. In the case that we have only a ref along with a spread, we cannot return only the spread object. This results in dropping the ref.

In this example

<Foo ref={ref} {...props} />

The bugged output is:

{
  // ...
  props: props
}

With this change we now get the correct output:

{
  // ...
  props: {ref: ref, ...props}
}

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Name	Status	Preview	Comments	Updated (UTC)
react-compiler-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 8:45pm