Add Clip Skip to metadata files

Also, force the properties to be in a consistent order so that, for example, LoRA strength will always be the line below LoRA model. I've rearranged the properties so that they are saved in the same order that the properties are laid out in the UI

ui/media/js/dnd.js

@@ -37,6 +37,7 @@ function parseBoolean(stringValue) {
     }
 }
 
+// keep in sync with `ui/easydiffusion/utils/save_utils.py`
 const TASK_MAPPING = {
     prompt: {
         name: "Prompt",