Fixed wireshark group addition to only apply when wireshark is installed.

lib/desktop/kde.sh

@@ -45,5 +45,4 @@ install_kde() {
     install_kde_packages
     chroot_systemd_enable sddm.service
     copy_desktop_skel "$username"
-    run_cmd_in_chroot usermod -aG wireshark "$username"
 }

profiles/registry.sh

@@ -111,6 +111,11 @@ install_profile() {
         chroot_pacman_install $packages
     fi
 
+    # Add user to wireshark group if wireshark was installed
+    if run_cmd_in_chroot getent group wireshark > /dev/null 2>&1; then
+        run_cmd_in_chroot usermod -aG wireshark "$username"
+    fi
+
     # Enable profile services
     services=$(get_profile_services "$profile_key")
     for service in $services; do