updating matter-iso and moving matter-setup to matter-base

matter-chroot/main.sh

@@ -55,6 +55,7 @@ chrt() {
     PS1="$prompt"                       \
     PATH=/usr/bin:/usr/sbin             \
     "$@"
+  RET_CODE=$?
 
   # kill procs that may prevent umount
   killall -9 dirmngr  2> /dev/null
@@ -92,7 +93,8 @@ fi
 
 if [ $# -gt 1 ]; then
   chrt ${@:2}
-  exit 0
+  exit $RET_CODE
 fi
 
 chrt bash --login
+exit $?