Use getAttributeTypeHandle instead of atHandle in editable_attribute element (#4360)
Use getAttributeTypeHandle instead of atHandle in editable_attribute element (#4360)

* Use getAttributeTypeHandle instead of atHandle in editable_attribute element

atHandle property does not exist anymore

* Indentation fixes


Former-commit-id: f7c148685e691d29d1816794a63b3f63a35307fc
Former-commit-id: f3150a43d3a83f4764d7c2f0918f91568fb613a5
olsgreen/concrete5,concrete5/concrete5,mlocati/concrete5,concrete5/concrete5,biplobice/concrete5,MrKarlDilkington/concrete5,mlocati/concrete5,hissy/concrete5,a3020/concrete5,biplobice/concrete5,acliss19xx/concrete5,rikzuiderlicht/concrete5,jaromirdalecky/concrete5,acliss19xx/concrete5,hissy/concrete5,olsgreen/concrete5,biplobice/concrete5,mlocati/concrete5,olsgreen/concrete5,jaromirdalecky/concrete5,mainio/concrete5,KorvinSzanto/concrete5,mainio/concrete5,MrKarlDilkington/concrete5,deek87/concrete5,a3020/concrete5,hissy/concrete5,mlocati/concrete5,KorvinSzanto/concrete5,triplei/concrete5-8,rikzuiderlicht/concrete5,hissy/concrete5,triplei/concrete5-8,haeflimi/concrete5,haeflimi/concrete5,deek87/concrete5,KorvinSzanto/concrete5,jaromirdalecky/concrete5,biplobice/concrete5,acliss19xx/concrete5,deek87/concrete5,jaromirdalecky/concrete5,mainio/concrete5,haeflimi/concrete5,MrKarlDilkington/concrete5,haeflimi/concrete5,concrete5/concrete5,triplei/concrete5-8,deek87/concrete5,concrete5/concrete5,rikzuiderlicht/concrete5