morphToMany issue with RelationManager

class Order extends Model
{
    public function products()
    {
        return $this->morphedByMany(Product::class, 'order_item');
    }
}

class Product extends Model implements Purchasable
{
    public function orders() 
    {
        return $this->morphToMany(Order::class, 'order_item'); 
    }

}

class OrderItem extends Model
{
     public function order_item()
    {
        return $this->morphTo();
    }
}

class ProductsRelationManager extends RelationManager
{
    protected static string $relationship = 'products';

    protected static ?string $inverseRelationship = 'orders';

    public function form(Form $form): Form
    {
        return $form
            ->schema([]);
    }

    public function table(Table $table): Table
    {
        return $table
            ->recordTitleAttribute('order_id')
            ->columns([
                Tables\Columns\TextColumn::make('name'),
            ])
            ->filters([
                //
            ])
            ->headerActions([
                Tables\Actions\AssociateAction::make()->form(fn (AssociateAction $action): array => [
                    $action->getRecordSelect(),
                    Forms\Components\Select::make('name')
                        ->options(Product::all()->pluck('name', 'id'))
                        ->required(),
                ]),
            ])
            ->actions([
                Tables\Actions\DissociateAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DissociateBulkAction::make(),
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }


}