When saving a query in Aqua Data Studio and a file with the same already exists the "overwrite file" dialog appears with a "yes" and "no" button (which both work as expected) but if the "Esc" button is pressed the file is overwritten. I would expect if the "Esc" button is pressed the action would be to cancel the operation and not save the file.  Also if the red X (cancel button) is pressed the the file is also overwritten.