cubicweb-addressbook #3603331 use cw_fetch_order instead of deprecated fetch_order [validation pending]

fetch_order in entity API is deprecated since CW 3.15 (or 3.16).

prioritynormal
typebug
done in1.8.0
load0.100
load left0.000
closed by#384390cbb32d [entities] use cw_fetch_order instead of fetch_order (closes #3603331)
patch[entities] use cw_fetch_order instead of fetch_order (closes #3603331) [applied]