How do I change it from going through two connections and what’s the benefits?It should work. Also, watch the video above this post and change you WiFi settings to 5ghz. This might work as well and if it does won't require you to hardwire in.
But wired connection is always the best. Reason why your portal is struggling is because it's currently going through two wi-fi connections one for ps5 and one for Portal so it's not able to maximize your download and upload speeds.