The split between Save and Export came in with Gimp 2.8 precisely to prevent users losing work, layers / selections / masks...by using your favourite shortcut. It is not the only program like this, the audio editor Audacity is similar.
Nothing to stop you re-assigning the shortcut
...and an even better option for you is a plugin see: https://github.com/akkana/gimp-plugins/b...t-clean.py then assign a shortcut to that.
Nothing to stop you re-assigning the shortcut
...and an even better option for you is a plugin see: https://github.com/akkana/gimp-plugins/b...t-clean.py then assign a shortcut to that.