Make #each use _id in object or as getter in object's prototype
Make #each use _id in object or as getter in object's prototype

Fixes #6124 #6125

jdivy/meteor,meonkeys/meteor,Urigo/meteor,nuvipannu/meteor,4commerce-technologies-AG/meteor,lorensr/meteor,4commerce-technologies-AG/meteor,jdivy/meteor,AnthonyAstige/meteor,Urigo/meteor,Urigo/meteor,lorensr/meteor,mjmasn/meteor,lorensr/meteor,nuvipannu/meteor,Hansoft/meteor,4commerce-technologies-AG/meteor,DAB0mB/meteor,jdivy/meteor,Hansoft/meteor,meonkeys/meteor,Hansoft/meteor,chasertech/meteor,lorensr/meteor,jdivy/meteor,DAB0mB/meteor,nuvipannu/meteor,DAB0mB/meteor,lassombra/meteor,Hansoft/meteor,DAB0mB/meteor,meonkeys/meteor,jdivy/meteor,AnthonyAstige/meteor,lassombra/meteor,mjmasn/meteor,meonkeys/meteor,lorensr/meteor,mjmasn/meteor,Urigo/meteor,AnthonyAstige/meteor,lassombra/meteor,nuvipannu/meteor,DAB0mB/meteor,mjmasn/meteor,lassombra/meteor,AnthonyAstige/meteor,4commerce-technologies-AG/meteor,lassombra/meteor,nuvipannu/meteor,Hansoft/meteor,meonkeys/meteor,nuvipannu/meteor,meonkeys/meteor,Hansoft/meteor,lassombra/meteor,jdivy/meteor,mjmasn/meteor,mjmasn/meteor,chasertech/meteor,Hansoft/meteor,mjmasn/meteor,4commerce-technologies-AG/meteor,chasertech/meteor,AnthonyAstige/meteor,Urigo/meteor,AnthonyAstige/meteor,lorensr/meteor,Urigo/meteor,Urigo/meteor,lorensr/meteor,lassombra/meteor,jdivy/meteor,nuvipannu/meteor,4commerce-technologies-AG/meteor,chasertech/meteor,4commerce-technologies-AG/meteor,AnthonyAstige/meteor,chasertech/meteor,meonkeys/meteor,DAB0mB/meteor,chasertech/meteor,AnthonyAstige/meteor,chasertech/meteor,DAB0mB/meteor