Fireflies appear far from Firefly Bush, not just around the plant

In the Preview version 1.21.110.22 of Minecraft Bedrock Edition, I noticed that fireflies can be seen floating in midair at a significant distance from the Firefly Bush blocks that are supposed to generate them. Instead of remaining close to the bush, the particle effect appears to be rendered several blocks away in open space, which breaks immersion and does not match expected behavior.

This might be an issue with the rendering system rather than the actual location of particle generation. The fireflies appear randomly scattered well outside the immediate vicinity of the bush, even in places with no Firefly Bush nearby.

Steps to Reproduce:

1. Place a few Firefly Bush blocks at night.

2. Observe that firefly particles are rendered floating far from the actual bushes.

Expected Result:
Fireflies should appear only in the close vicinity of the Firefly Bush, within a small, natural radius (e.g. 1–2 blocks around it).

Observed Result:
Fireflies are rendered far from the bushes, floating in empty areas (see screenshot).