Do enter+e (If you have D/Library you can also click the icon) to enter edit mode and you can drag icons while in edit mode! You can get FMN Mountain from the GES mods studio. D/Library is strongly recommended however, not required: https://scratch.mit.edu/projects/1097813931
This mod edits your config lists! Although the chances are super low you can back them up with Config Dump: https://scratch.mit.edu/projects/1119272050