fix(search): match Arabic ye/kaf with Persian letters in admin search

Customer names stored with ي/ك were missed when typing ی/ک; fold both sides of LIKE.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Admin/AppNotificationController.php

@@ -10,6 +10,7 @@ use App\Models\AppNotificationRecipient;
 use App\Models\Customer;
 use App\Services\AppNotificationAudienceService;
 use App\Services\PriceStreamService;
+use App\Support\PersianText;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 
@@ -67,7 +68,10 @@ class AppNotificationController extends Controller
             ->where('is_archive', false)
             ->when($q !== '', function ($query) use ($q) {
                 $query->where(function ($inner) use ($q) {
-                    $inner->where('name', 'like', '%' . $q . '%')
+                    $inner->whereRaw(
+                        PersianText::sqlFoldExpr('lower(`name`)').' like ?',
+                        [PersianText::likePattern(strtolower($q))]
+                    )
                         ->orWhere('mobile', 'like', '%' . $q . '%')
                         ->orWhere('id', $q);
                 });