[1.16.5 Bug] Luminous stem is unobtainable

[GoldenTotem]

Describe the Bug

Minecraft 1.16.5 Forge 36.2.35 mod 2.5.0

The stem of giant luminous fungus is dullthorns block instead of luminous stem.

Reproduction Steps

1. Plant a luminous fungus and use bone meal
2. It will grow up with dullthorns block as its stem
   ...

Expected Result

Use luminous stem as stem.

Screenshots and Videos

No response

Operating System

win11

Mod Version

Beta 2.5.0-1

Minecraft Version

1.16.5

Forge Version

36.2.35

Other Mods

No response

Additional Context

No response