The wireshark CLI entry point creates /usr/bin/wireshark which conflicts
with the system wireshark package on Arch Linux (owned by wireshark-qt),
causing package installation to fail.
Rename to gns3-wireshark to follow the same naming convention as other
GNS3 CLI tools (gns3server, gns3vmnet).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>