remove empty placeholder option from select prompts

Author: AzGasim

packages/prompts/src/Filament/Components/RunCommandComponent.php

@@ -684,7 +684,7 @@ protected function createFieldFromPrompt(string $promptId, string $method, array
                 ->options($options)
                 ->default($defaultSelect !== null ? $defaultSelect : null)
                 ->rules($rules)
-                ->placeholder('Bitte wählen...')
+                ->selectablePlaceholder(false)
                 ->hint($p['hint'] ?? null)
                 ->live(onBlur: false),