New shulkers spawn as default color

When a dyed shulker is killed by shulker bullets, the new shulker spawned is with default purple color

Steps to reporduce

1. Open a new world, build the farm as shown in this video Minecraft Bedrock: Easy SHULKER FARM Tutorial! MCPE Xbox PC Switch or other ways to make shulker bullets can hit the shulkers.
2. Dye the shulkers with any dye, preferably not magenta or purple to easily noticing the color difference from the default
3. Wait until the shulkers are killed by the shulker bullets and observe the color of the newly spawned ones

Expected result

The newly spawned shulkers should be the same color of the killed ones

Observed result

The newly spawned shulkers are with the default color