Speed up the mask save and fix refresh replacing copied image.

server.py

@@ -179,7 +179,7 @@ class PromptServer():
                 # alpha copy
                 new_alpha = mask_pil.getchannel('A')
                 original_pil.putalpha(new_alpha)
-                original_pil.save(filepath)
+                original_pil.save(filepath, compress_level=4)
 
             return image_upload(post, image_save_function)
 

web/scripts/app.js

@@ -1300,7 +1300,7 @@ export class ComfyApp {
 				if(widget.type == "combo" && def["input"]["required"][widget.name] !== undefined) {
 					widget.options.values = def["input"]["required"][widget.name][0];
 
-					if(!widget.options.values.includes(widget.value)) {
+					if(widget.name != 'image' && !widget.options.values.includes(widget.value)) {
 						widget.value = widget.options.values[0];
 						widget.callback(widget.value);
 					}