cubicweb-drh #9986045 add hooks to create Application and Person automatically [validation pending]

on Email creation, so we don't need a specific version of mboximport

prioritynormal
typetask
done in0.20.0
load left0.000
closed by#d98dafabf722 [hooks] add hooks to create Person and Application on EmailAddress creation (closes #9986045)
patch[hooks] add hooks to create Person and Application on EmailAddress creation (closes #9986045) [applied]