Cannot use accessor for record title in global search

// App\Filament\Resources\UserResource.php

protected static ?string $recordTitleAttribute = 'full_name';

// App\Filament\Resources\UserResource.php

protected static ?string $recordTitleAttribute = 'full_name';

// App\Models\User.php

public function fullName(): Attribute
    {
        return new Attribute(fn () => trim("$this->first_name $this->last_name"));
    }

// App\Models\User.php

public function fullName(): Attribute
    {
        return new Attribute(fn () => trim("$this->first_name $this->last_name"));
    }