correctly create session (pm / not pm) when we send a message in a control...

correctly create session (pm / not pm) when we send a message in a control without a session (after disabling E2E). Fixes #4818

src/message_control.py

@@ -188,7 +188,10 @@ class MessageControl:
 				jid += '/' + self.resource
 
 			if not sess:
-				sess = conn.make_new_session(jid)
+				if self.type_id == TYPE_PM:
+					sess = conn.make_new_session(jid, type_='pm')
+				else:
+					sess = conn.make_new_session(jid)
 
 			self.set_session(sess)