all windows close at the same time
Siril version: 1.2 rc1
Note: please report against latest git master branch or latest stable version
Operating System: MacOS
Package: from siril site
Description of the bug
when I open a file altough siril is already open, it open a new windows but if I want to close this window, all siril closes
Reproduction
Open Siril
Open a fit from finder with siril (default behavior)
this file comes into a new window
close this window : all siril shuts off
…
Expected result: only the new window closes
Actual result: the whole app closes