Fixing edit direct channel header (#2842)

api/command_msg.go

@@ -64,7 +64,7 @@ func (me *msgProvider) DoCommand(c *Context, channelId string, message string) *
 
 				if channel := <-Srv.Store.Channel().GetByName(c.TeamId, channelName); channel.Err != nil {
 					if channel.Err.Id == "store.sql_channel.get_by_name.missing.app_error" {
-						if directChannel, err := CreateDirectChannel(c, userProfile.Id); err != nil {
+						if directChannel, err := CreateDirectChannel(c.Session.UserId, userProfile.Id); err != nil {
 							c.Err = err
 							return &model.CommandResponse{Text: c.T("api.command_msg.dm_fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
 						} else {