add sent by to data form messages sent via inbox

docs/changelog/7.x.x.txt

@@ -17,6 +17,7 @@
  - remove caching behavior, will always send content to the client if they ask
  - fix: can't turn off Is Group Admin setting
  - Check correct IP for spectre connections
+ - Inbox messages sent by Data Forms add sent by user
 
 7.4.5
  - fix: Apostrophy incorrectly escaped as double quote in some places

lib/WebGUI/Asset/Wobject/DataForm.pm

@@ -763,6 +763,7 @@ sub sendEmail {
 			WebGUI::Inbox->new($self->session)->addMessage({
 				userId=>$userId,
 				groupId=>$groupId,
+                sentBy => $self->session->user->userId,
 				subject=>$subject,
 				message=>$message,
 				status=>'complete'