Summary:
When the player enters the light block that is at the level of the head, the hitbox of the light block appears and the player can interact with it without holding the light block in his hand.
Steps to reproduce:
Place the light block at head level.
Enter it without holding the light block in your hand.
Observed results:
The hitbox of the light block appears, which makes it possible to interact with it (switch level, break).
Expected results:
The hitbox should not appear until the player holds the light block.
Image:
[media]
Keep in mind, this is different but related to MCPE-135277.