This was already in the Expanded Universe, so they're actually doing the opposite and bringing characters Disney's Canon into Legends. It also means Kyle Katarn and Cassian Andor now co-exist withe each other in Legends.
I managed to see all three transitions on three separate trips from Ahsoka, andor and the mandalorian. The Child got the biggest laugh from the audience But those space whales. They're my favorite part, especially when Ahsoka thanks us for coming and assisting
Kiddo and I were on the first tour of the morning. Our tour took us to Wookie Planet, Transmission from Ashoka, and then to that same purrgil fight scene. Kiddo got a kick when R2D2 made the ship do a flip! It was amazing. I was crying from being so happy!