Changes:
1. Remove description field from cloud-init scripts
- Updated migration to remove description column
- Updated model to remove description from fillable array
2. Redesign script name input layout
- Move script name input next to checkbox (always visible)
- Remove conditional rendering - input always shown
- Use placeholder instead of label for cleaner look
3. Fix dropdown type error
- Replace wire:change event with wire:model.live
- Use updatedSelectedCloudInitScriptId() lifecycle hook
- Add "disabled" attribute to placeholder option
- Properly handle empty string vs null in type casting
4. Improve validation
- Require both script content AND name for saving
- Remove description validation rule
- Add selected_cloud_init_script_id validation
5. Auto-populate name when loading saved script
- When user selects saved script, auto-fill the name field
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Co-Authored-By: Claude <noreply@anthropic.com>