tutorial: move function declaration before reference (#5491)

Author: DanielPower

site/content/tutorial/04-logic/06-await-blocks/app-a/App.svelte

@@ -1,6 +1,4 @@
 <script>
-	let promise = getRandomNumber();
-
 	async function getRandomNumber() {
 		const res = await fetch(`tutorial/random-number`);
 		const text = await res.text();
@@ -12,6 +10,8 @@
 		}
 	}
 
+	let promise = getRandomNumber();
+
 	function handleClick() {
 		promise = getRandomNumber();
 	}
@@ -22,4 +22,4 @@
 </button>
 
 <!-- replace this element -->
-<p>{promise}</p>
+<p>{promise}</p>

site/content/tutorial/04-logic/06-await-blocks/app-b/App.svelte

@@ -1,6 +1,4 @@
 <script>
-	let promise = getRandomNumber();
-
 	async function getRandomNumber() {
 		const res = await fetch(`tutorial/random-number`);
 		const text = await res.text();
@@ -11,6 +9,8 @@
 			throw new Error(text);
 		}
 	}
+	
+	let promise = getRandomNumber();
 
 	function handleClick() {
 		promise = getRandomNumber();
@@ -27,4 +27,4 @@
 	<p>The number is {number}</p>
 {:catch error}
 	<p style="color: red">{error.message}</p>
-{/await}
+{/await}