fix claim_text (#6275)

Author: tanhauhau

src/runtime/internal/dom.ts

@@ -216,7 +216,7 @@ export function claim_text(nodes, data) {
 		const node = nodes[i];
 		if (node.nodeType === 3) {
 			node.data = '' + data;
-			return nodes.shift();
+			return nodes.splice(i, 1)[0];
 		}
 	}
 

test/hydration/samples/claim-text/Component.svelte

@@ -0,0 +1,5 @@
+<svelte:head>
+	<title>Title</title>
+</svelte:head>
+
+<main>There should be one</main>

test/hydration/samples/claim-text/Layout.svelte

@@ -0,0 +1,2 @@
+<p>This <code>p</code> and the <code>slot</code> below are direct children of the root.</p>
+<slot />

test/hydration/samples/claim-text/_after.html

@@ -0,0 +1,3 @@
+<p>This <code>p</code> and the <code>slot</code> below are direct children of the root.</p>
+		
+<main>There should be one</main>

test/hydration/samples/claim-text/_before.html

@@ -0,0 +1,5 @@
+<p>This <code>p</code> and the <code>slot</code> below are direct children of the root.</p>
+
+<main>There should be one</main>
+
+<!-- need extra space after <main> -->

test/hydration/samples/claim-text/main.svelte

@@ -0,0 +1,8 @@
+<script>
+	import Layout from './Layout.svelte';
+	import Component from './Component.svelte';
+</script>
+
+<Layout>
+	<Component />
+</Layout>