feature request: Clone / backup to disk (osx)

[high-solutions]

• Etcher version:
  Versie 1.7.8-1
• Operating system and architecture:
  osx montery intel
• Image flashed:
  not relevant
• What do you think should have happened:
  I would like to back-up an image to disk for safekeeping and later on be able to flash it back to the/another sd card.
• What happened:

now you can only directly copy an sd card with the clone function but you need 2 identical sd cards and 2 sdcard readers.
(osx disk manager can make a copy to disk but it is .cdr format so can't flash it back to sd)

• Do you see any meaningful error information in the DevTools?