fix(system,x11): set system-wide TERM=xterm-256color and C.UTF-8 locale

overlay/rootfs/usr/bin/bananarchy-x11-session.sh

@@ -21,6 +21,11 @@ export EDITOR=nano
 export VISUAL=nano
 export PAGER="less -RXF"
 export LESS="-RXF"
+export TERM=xterm-256color
+export CHARSET=UTF-8
+export LANG=C.UTF-8
+export LC_ALL=C.UTF-8
+export LC_COLLATE=C.UTF-8
 export SXMO_DISABLE_LEDS=1
 export SXMO_NO_VIRTUAL_KEYBOARD=1
 export NO_AT_BRIDGE=1

overlay/rootfs/usr/bin/sxmo_terminal.sh

@@ -3,6 +3,11 @@
 # Copyright 2022 Sxmo Contributors
 # shellcheck disable=SC2086
 
+export TERM=xterm-256color
+export CHARSET=UTF-8
+export LANG=C.UTF-8
+export LC_ALL=C.UTF-8
+
 SXMO_TERMINAL="${SXMO_TERMINAL:-st}"
 
 if [ -z "$*" ]; then

overlay/rootfs/usr/share/sxmo/appcfg/Xresources

@@ -16,6 +16,7 @@ dwm.selbordercolor: #005577
 dwm.selfgcolor: #ffffff
 
 st.font: Fira Code:pixelsize=18:style=Regular:antialias=true:autohint=true
+st.termname: xterm-256color
 st.background: #1c1c1c
 st.foreground: #e5e5e5
 st.cursorColor: #cccccc

overlay/rootfs/usr/share/sxmo/appcfg/profile_template

@@ -75,6 +75,11 @@ export EDITOR="nano"
 export VISUAL="nano"
 export PAGER="less -RXF"
 export LESS="-RXF"
+export TERM="xterm-256color"
+export CHARSET="UTF-8"
+export LANG="C.UTF-8"
+export LC_ALL="C.UTF-8"
+export LC_COLLATE="C.UTF-8"
 export SXMO_WM="dwm"
 export SXMO_MENU="dmenu"
 export SXMO_TERMINAL="st"

overlay/rootfs/usr/share/sxmo/default_hooks/sxmo_hook_contextmenu.sh

@@ -191,7 +191,7 @@ case "$WMCLASS" in
 		"
 		WINNAME=St
 		;;
-	st|st-*|*terminal*|org.gnome.vte.application|org.gnome.vte.app.gtk4|*alacritty*)
+	st|st-*|xterm*|*terminal*|org.gnome.vte.application|org.gnome.vte.app.gtk4|*alacritty*)
 
 		# These git commands only launch the editor.
 		case "$WMNAME" in