How to disable autocorrect correcting ones typing in push notifications window?

I have properly turned off Messages "autocorrect" function on my MacBook Pro, that runs on macOS High Sierra. Everything works perfectly if I type directly in Messages window. No autocorrecting what so ever. Fantastic.

However, if Messages app is not "active" and someone sends me a message, I receive a push notification. Still fantastic. Love it. But, if I decide to reply to that message there (in the tiny push notification window), it still autocorrects the he*l out of my message. Despite the fact that I have completely disabled autocorrect from the settings of my Messages app.

How can I stop autocorrect doing that? How can I disable autocorrect and stop it from correcting my typing when I reply to messages using push notification window?