how about opening “list”, then right click devices in the project column (drag the vertical space bar right if only the folders menu is visible)then select new object; new device mapping; it should open the device mapping properties box.
mart.
Create a new project or open one of your projects that still have the audio inputs folder. Locate the “Audio Inputs” folder in a list window (Ctrl+L) and use the “Copy” context menu. Remember to keep the folder collapsed so that all child objects also get copied. Open the project file in which you deleted the audio inputs. Locate the Devices folder. Paste.