cubicweb-book #2544562 silence current deprecation warnings [validation pending]

[3.10] warnings in hooks

prioritynormal
typeenhancement
done in0.7.0
load left0.000
closed by#e338b044893f Renames deprecated fetch_order
patch[hooks] Fix deprecation fixes [applied]Renames deprecated fetch_order [applied]Replaces deprecated EntityBoxTemplate [applied]Fixes minor deprecation warnings [applied]