Chore: Use NextReader() instead of ReadMessage() for websocket reading (

#207)

This prevents against malicious buffer overflows.

server/websockets/client.go

@@ -60,7 +60,7 @@ func (c *Client) readPump() {
 	}()
 
 	for {
-		_, _, err := c.conn.ReadMessage()
+		_, _, err := c.conn.NextReader()
 		if err != nil {
 			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
 				logger.Log().Errorf("[websocket] error: %v", err)