Datemenu spacing improvements, modal/script/notif buttons fixes

- Now "spacing" property is responsible for spacings in datemenu, not components with margins. Looks the same on 47 and 43;
- Fixed styles mismatch on older GNOME versions;
- Fixed notification buttons on older GNOME versions;
- Fixed some buttons in login/unlock dialogs on older GNOME versions;
- Fixed an issue where generate_file moved specific GNOME version assets to marble folder instead of copying them to temp folder;

scripts/utils/gnome.py

@@ -7,7 +7,6 @@ def gnome_version() -> str | None:
 
     try:
         output = subprocess.check_output(['gnome-shell', '--version'], text=True).strip()
-        print(output)
         return output.split(' ')[2]
     except subprocess.CalledProcessError:
         return None