fix: correctly analyze `<object.property>` components (#16711)

* fix: correctly analyze `<object.property>` components

* add test

---------

Co-authored-by: Rich Harris <rich.harris@vercel.com>

.changeset/khaki-flies-remember.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: correctly analyze `<object.property>` components

packages/svelte/src/compiler/phases/scope.js

@@ -1032,7 +1032,7 @@ export function create_scopes(ast, root, allow_reactive_declarations, parent) {
 		},
 
 		Component: (node, context) => {
-			context.state.scope.reference(b.id(node.name), context.path);
+			context.state.scope.reference(b.id(node.name.split('.')[0]), context.path);
 			Component(node, context);
 		},
 		SvelteSelf: Component,

packages/svelte/tests/runtime-runes/samples/snippet-hoisting-4/Component.svelte

@@ -0,0 +1 @@
+<h1>Hello world!</h1>

packages/svelte/tests/runtime-runes/samples/snippet-hoisting-4/_config.js

@@ -0,0 +1,5 @@
+import { test } from '../../test';
+
+export default test({
+	html: '<h1>Hello world!</h1>'
+});

packages/svelte/tests/runtime-runes/samples/snippet-hoisting-4/main.svelte

@@ -0,0 +1,13 @@
+<script>
+	import Component from './Component.svelte';
+
+	const object = {
+		property: Component
+	};
+</script>
+
+{#snippet not_hoisted()}
+	<object.property />
+{/snippet}
+
+{@render not_hoisted()}