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Is there a way to merge two `jso`?

So lets say I have
```external interface DemoProps: Props {
    var first: String
    var second: Int
}```
In many JS examples they just do something along the lines of
```val jso1 = jso<DemoProps> { first = "hello" }
val jso2 = jso<DemoProps> { second = 42 }
val merged = jso1 + jso2```
What works is
```val merged = jso1.apply { second = jso2.second }```
but is there a way without adressing every field again?
Edit: This works, but is a bit scetchy:
```val merged = js("{...jso1, ...jso2}") as DemoProps```

```val merged = Object.assign(jso(), jso1, jso2)```

Hey, thanks for the answer the js `spread` worked, but that looks better.
Thanks.

Like a charm thank you.
```Object.assign(jso&lt;AppDialogProps&gt;(), preset, additional)```

In common case `js` calls aren't recommended.
For now all known problems can be solved without it (via Kotlin Wrappers).

Yeah I figured, but wasn't aware that the `Object.assign` wrapped this closely. :smile: