Feature Request: Advanced Load Image / Save Image node

[aphaits]

Advanced Load Image feature request:

• input subfolders with thumbnail preview
• randomize / sequence input after each generation (fixed, increment, decrement, randomize)
• randomize input per folder after each generation (only from a specific folder)
• outputs image, mask, and also image resolution string
• node input for filename / folder string

Advanced Save Image feature request:

• built in output folder presets
• built in output filename presets (prefix / suffix)
• custom input (date, time, checkpoint name, lora name, etc)
• button shortcut to open output folder
• other file formats such as WEBP / JPG / Compression level
• option to embed workflow or not to image
• option to output workflow to text / json