Behemot rocks count doesn't go down after a rock gets destroyed

[Lauwma]

Description

When behemot rocks get destroyed by being thrown, by seismic fracture, or by primal wrath, they still are in the count that prevents you to create more rocks.

Test Merges

Server-Side Code Modifications: https://tgstation13.org/parsed-logs/sybil/server_side_modifications.dm

Round ID: 26548
BYOND Version: 515.1626
Server revision compiled on: 2024-04-10T21:11:25+00:00
Master commit: 166e875cc0186a8fe60b72d16ad9453eead4fb9e
The following pull requests are currently test merged:
#15187: 'Datumizes storage' by Xander3359 at commit 5329c916ef
#15577: 'Light fixture code update' by Lumipharon at commit 5be4354244

Local commit: 53ba903
Server tools version: 6.4.0

Reproduction Steps

summon 3 rocks
Destroy 3 rocks
look at rock counter (it's 3/3)
can't summon more rocks unless you break them manually

Screenshots