fix(svelte): fix order to v5 first

Author: constantinius

docs/platforms/javascript/guides/svelte/index.mdx

@@ -44,7 +44,8 @@ Configuration should happen as early as possible in your application's lifecycle
 
 To use the SDK, initialize it in your Svelte entry point before bootstrapping your app. In a typical Svelte project, that is your `main.js` or `main.ts` file.
 
-```javascript {tabTitle: Svelte v3-v4} {filename: main.js} {"onboardingOptions": {"performance": "10, 13-20", "session-replay": "11, 23-29"}}
+```javascript {tabTitle: Svelte v5+} {filename: main.js} {"onboardingOptions": {"performance": "11, 14-21", "session-replay": "12, 24-30"}}
+import { mount } from "svelte";
 import "./app.css";
 import App from "./App.svelte";
 
@@ -76,15 +77,14 @@ Sentry.init({
   replaysOnErrorSampleRate: 1.0,
 });
 
-const app = new App({
+const app = mount(App, {
   target: document.getElementById("app"),
 });
 
 export default app;
 ```
 
-```javascript {tabTitle: Svelte v5+} {filename: main.js} {"onboardingOptions": {"performance": "11, 14-21", "session-replay": "12, 24-30"}}
-import { mount } from "svelte";
+```javascript {tabTitle: Svelte v3-v4} {filename: main.js} {"onboardingOptions": {"performance": "10, 13-20", "session-replay": "11, 23-29"}}
 import "./app.css";
 import App from "./App.svelte";
 
@@ -116,7 +116,7 @@ Sentry.init({
   replaysOnErrorSampleRate: 1.0,
 });
 
-const app = mount(App, {
+const app = new App({
   target: document.getElementById("app"),
 });