[Feature Request]: Allow Workflows to be Stored in Alternate Folder

### Is there an existing issue for this?

- [X] I have searched the existing issues and checked the recent builds/commits

### What would your feature do ?

Allow a different folder location for our Workflows list. I keep my workflows in a separate folder structure outside of Comfy. But the new UI seems to only look in that one location under \ComfyUI\user\default\workflows. I would like to have a setting to make Comfy look in an alternative folder location.

### Proposed workflow

1. Go to workflow drop-list button.
2. After the Default - Browse - Blank buttons, add a new "cog" icon for Settings.
3. Under the Settings option, allow the user to select a different folder location for their workflows.

### Additional information

_No response_