/usr/share/applications/Preview.desktop is in preview.app 0.8.5-10+b4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Desktop Entry]
Type=Application
Version=1.0
Categories=Graphics;Viewer;
Name=Preview
Comment=Image viewer
Icon=/usr/lib/GNUstep/Applications/Preview.app/Resources/Preview.tiff
Exec=Preview
|