Broadcast model change before validation.
Broadcast model change before validation.

Send the global ModelChangeMessage before the validation logic has
kicked in to avoid sending validation errors before the property change
message.

peeedge/mobile,masterrr/mobile,peeedge/mobile,ZhangLeiCharles/mobile,eatskolnikov/mobile,eatskolnikov/mobile,eatskolnikov/mobile,masterrr/mobile,ZhangLeiCharles/mobile