fix: emit right error for a shadowed invalid rune (#15892)

Co-authored-by: 7nik <kifiranet@gmail.com>

.changeset/tall-cherries-fix.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: emit right error for a shadowed invalid rune

packages/svelte/src/compiler/phases/2-analyze/visitors/Identifier.js

@@ -39,7 +39,7 @@ export function Identifier(node, context) {
 		if (
 			is_rune(node.name) &&
 			context.state.scope.get(node.name) === null &&
-			context.state.scope.get(node.name.slice(1)) === null
+			context.state.scope.get(node.name.slice(1))?.kind !== 'store_sub'
 		) {
 			/** @type {Expression} */
 			let current = node;

packages/svelte/tests/compiler-errors/samples/invalid-rune-name-shadowed/_config.js

@@ -0,0 +1,8 @@
+import { test } from '../../test';
+
+export default test({
+	error: {
+		code: 'rune_invalid_name',
+		message: '`$state.foo` is not a valid rune'
+	}
+});

packages/svelte/tests/compiler-errors/samples/invalid-rune-name-shadowed/main.svelte.js

@@ -0,0 +1,5 @@
+class State {
+	value = $state.foo();
+}
+
+export const state = new State();