Sort the list of input images.

nodes.py

@@ -640,7 +640,7 @@ class LoadImage:
     @classmethod
     def INPUT_TYPES(s):
         return {"required":
-                    {"image": (os.listdir(s.input_dir), )},
+                    {"image": (sorted(os.listdir(s.input_dir)), )},
                 }
 
     CATEGORY = "image"