Fix terminal warning on remote Debian hosts

Use TERM=xterm instead of forwarding local TERM — exotic terminal types
(foot, kitty, alacritty, etc.) are not in the remote terminfo database,
causing less to warn "terminal is not fully functional".

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

csc

@@ -99,7 +99,7 @@ fi
 
 # see http://askubuntu.com/questions/506158/unable-to-initialize-frontend-dialog-when-using-ssh
 #FRONTEND="DEBIAN_FRONTEND=noninteractive" # then you should use clush instead :)
-FRONTEND="TERM=$TERM DEBIAN_FRONTEND=dialog"
+FRONTEND="TERM=xterm DEBIAN_FRONTEND=dialog"
 #FRONTEND="DEBIAN_FRONTEND=readline"
 
 if [ "$verbose" = true ]