use the gate facade to authorize in example code (#70)

Author: AntonNiklasson

resources/docs/inertia/deleting-chirps.md

@@ -61,6 +61,7 @@ namespace App\Http\Controllers;
 use App\Models\Chirp;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Gate;
 use Inertia\Inertia;
 use Inertia\Response;
 // [tl! collapse:end]
@@ -120,7 +121,7 @@ class ChirpController extends Controller
      */
     public function update(Request $request, Chirp $chirp): RedirectResponse
     {
-        $this->authorize('update', $chirp);
+        Gate::authorize('update', $chirp);
 
         $validated = $request->validate([
             'message' => 'required|string|max:255',
@@ -138,7 +139,7 @@ class ChirpController extends Controller
     public function destroy(Chirp $chirp): RedirectResponse// [tl! add]
     {
         //
-        $this->authorize('delete', $chirp);// [tl! remove:-1,1 add:start]
+        Gate::authorize('delete', $chirp);// [tl! remove:-1,1 add:start]
 
         $chirp->delete();