dependant selects cannot be searchable ?

Forms\Components\Select::make('variant_id')->relationship('productVariant')
                                    ->label('Select Variant')
                                    ->options(function (Get $get) {
                                  
                                        $variantOptions = $get('variant_options');
                                        return $variantOptions ? $variantOptions : [];
                                    })
                                    ->searchable()
                                    ->getSearchResultsUsing(fn (Get $get): array => $get('variant_options') ?? [])
                                    ->reactive() 
                                    ->afterStateUpdated(function (Get $get, Set $set, $state) {
                                        if ($state) {
                                            $variant = ProductVariant::find($state);
                                            if ($variant) {
                                                $set('price', $variant->price * $get('quantity')); 
                                            }
                                        }
                                    })
                                    ->disabled(fn (callable $get) => empty($get('variant_options')))
                                    ->required(),

Forms\Components\Select::make('product_id')
                                    ->label('Select Product')
                                    ->options(Product::all()->pluck('name', 'id')->toArray())
                                    ->reactive()
                                    ->searchable()
                                    ->preload()
                                    ->afterStateUpdated(function (callable $set, $state) {

                            
                                        $variants = ProductVariant::where('product_id', $state)->get();
                                        if ($variants->isEmpty()) {
                                            $set('variant_options', []);
                                        } else {
                                            $set('variant_options', $variants->pluck('sku', 'id')->toArray());
                                        }
                                    })
                                    ->required(),