remove remaining Global() calls (outside of tests) (#7521)

app/command_expand_collapse.go

@@ -74,7 +74,7 @@ func (a *App) setCollapsePreference(args *model.CommandArgs, isCollapse bool) *m
 
 	socketMessage := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PREFERENCE_CHANGED, "", "", args.UserId, nil)
 	socketMessage.Add("preference", pref.ToJson())
-	go Publish(socketMessage)
+	go a.Publish(socketMessage)
 
 	var rmsg string