While you can’t cut, you CAN move via keyboard shortcuts. Just copy the file in question (⌘C), navigate to your desired destination, and move-paste (⌘-Option-V)

While you can’t cut, you CAN move via keyboard shortcuts. Just copy the file in question (⌘C), navigate to your desired destination, and move-paste (⌘-Option-V). You can see this shortcut by opening the Edit menu with something on the clipboard while holding down Option.