This ticket clones MCPE-126885.

How to reproduce

1. Face north and down (/tp @s ~ ~ ~ 180 90)
2. Place glow lichen straight down
3. Compare texture on ground to texture in hotbar
4. Now face north and up (/tp @s ~ ~ ~ 180 -90)
5. Place glow lichen straight up, on the bottom of a block
6. Compare texture on ground to texture in hotbar

Expected results
In both cases, lichen appearance should match texture in hotbar. It's easy to look for the 2x3 blob in the top-left. This is how it works in Java.

Observed results
On the ground, the lichen is mirrored horizontally. On the ceiling, it's mirrored vertically.

Screenshots

Left is Bedrock, right is Java