chore: add test for cross component

packages/svelte/tests/server-side-rendering/samples/select-value-component/Option.svelte

@@ -0,0 +1,5 @@
+<script>
+	let props = $props();
+</script>
+
+<option {...props}>{@render props.children?.()}</option>

packages/svelte/tests/server-side-rendering/samples/select-value-component/_expected.html

@@ -0,0 +1 @@
+<select><option value="">--Please choose an option--</option><option value="dog" selected>Dog</option><option value="cat">Cat</option></select>

packages/svelte/tests/server-side-rendering/samples/select-value-component/main.svelte

@@ -0,0 +1,8 @@
+<script lang="ts">
+	import Option from './Option.svelte';
+</script>
+<select value="dog">
+	<Option value="">--Please choose an option--</Option>
+	<Option value="dog">Dog</Option>
+	<Option value="cat">Cat</Option>
+</select>