Do not omit the first header of a UserEvent AMI action from the corresponding emitted UserEvent.

ASTERISK-24124 #close
Reported by Matt Jordan

AFS-131 #close
Reported by Matt Jordan

Patches:
	userevent.patch uploaded by Matt Jordan (License #6283)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419789 65c4cc65-6c06-0410-ace0-fbb531ad65f3