daemonized-mode: fix issues noticed with curser position

* get/set x and y postions of the curser dynamically
* skip accepting command if no command is provided
  eg: just hit enter with no command

Signed-off-by: Prasanna Kumar Kalever <[email protected]>

Author: Prasanna Kumar Kalever

scripts/targetcli

@@ -192,9 +192,14 @@ def switch_to_daemon(shell, interactive):
     real_exit=False
     while True:
         shell.con.raw_write("/> ")
+        x_orig = shell.con.get_cursor_xy()[0]
+        y_pos = shell.con.get_cursor_xy()[1]
+        shell.con.set_cursor_xy(x_orig, y_pos)
         command = six.moves.input()
         if command.lower() == "exit":
             real_exit=True
+        elif not command:
+            continue
         if not interactive:
             inputs.append(command)
             if real_exit: