Another deleted scene showed the Stormtroopers being ambushed by the Wampas while attacking Echo Base, and there's even a hint that this could be canon as well because of how the new story ends.

Source: https://screenrant.com/star-wars-empire-strikes-back-wampa-attack-canon/

Since the Echo Base collecting group first introduced fund-raising in 2015 it has generated over £100,000 for good causes with a member of the admin team choosing a charity important to them each year.

Source: https://redditchstandard.co.uk/news/redditch-to-receive-visitors-from-a-galaxy-far-far-away-as-star-wars-celebration-event-returns/