[TOOL-3575] Dashboard: Fix /home link 404 after upgrading to nextjs 15.2 (#6393)

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## PR-Codex overview
This PR updates routing and links in the dashboard application to improve navigation.

### Detailed summary
- In `apps/dashboard/next.config.ts`, the `destination` was changed from `"/"` to `"https://landing.thirdweb.com"`.
- In `apps/dashboard/src/app/components/MobileBurgerMenuButton.tsx`, the `href` for the `Link` component was updated from `"/"` to `"/home"`.

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Author: MananTank

apps/dashboard/next.config.ts

@@ -153,7 +153,7 @@ const baseNextConfig: NextConfig = {
       // re-write /home to / (this is so that logged in users will be able to go to /home and NOT be redirected to the logged in app)
       {
         source: "/home",
-        destination: "/",
+        destination: "https://landing.thirdweb.com",
       },
       ...FRAMER_PATHS.map((path) => ({
         source: path,

apps/dashboard/src/app/components/MobileBurgerMenuButton.tsx

@@ -166,7 +166,7 @@ export function MobileBurgerMenuButton(
             </Link>
 
             <Link
-              href="/"
+              href="/home"
               className="text-base text-muted-foreground hover:text-foreground"
             >
               Home Page