fix: fixing websocket error message log

internal/hub.go

@@ -117,7 +117,7 @@ func ReadPump(c *Client, h *Hub) {
 	for {
 		messageType, message, err := c.Conn.ReadMessage()
 		if err != nil {
-			if !websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
 				log.Printf("WebSocket error: %v", err)
 			}
 			break