pkg_edit, fix empty config tag check
(cherry picked from commit 6bf2a65086f7664c870a9565b70c39655c2a3dcf)(cherry picked from commit eb65e543b4d04b29ee494fe8d3710213e0fddf23)
pkg_edit, fix empty config tag check
(cherry picked from commit 6bf2a65086f7664c870a9565b70c39655c2a3dcf)
(cherry picked from commit eb65e543b4d04b29ee494fe8d3710213e0fddf23)