fix: add identifier quoting in WithAccentInsensitiveSearch

Use query grammar wrap() for column names in whereRaw SQL instead of
direct string concatenation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: dotMavriQ

app/Livewire/Concerns/WithAccentInsensitiveSearch.php

@@ -4,16 +4,19 @@
 
 namespace App\Livewire\Concerns;
 
+use Illuminate\Support\Facades\DB;
+
 trait WithAccentInsensitiveSearch
 {
     private function applyAccentInsensitiveSearch($query, string $search, array $columns): void
     {
+        $grammar = DB::connection()->getQueryGrammar();
         $words = preg_split('/\s+/', trim($search));
 
         foreach ($words as $word) {
-            $query->where(function ($q) use ($word, $columns) {
+            $query->where(function ($q) use ($word, $columns, $grammar) {
                 foreach ($columns as $column) {
-                    $q->orWhereRaw('unaccent(COALESCE(' . $column . ", '')) ILIKE unaccent(?)", ['%' . $word . '%']);
+                    $q->orWhereRaw('unaccent(COALESCE(' . $grammar->wrap($column) . ", '')) ILIKE unaccent(?)", ['%' . $word . '%']);
                 }
             });
         }