[GS2-Parser] Usage of keyword 'break' results in unexpected behaviour

[tricxta]

When using the keyword 'break' in a weapon script (doesn't matter what proceeds it), all players get booted from the server and the script fails to get committed.

[xtjoeytx]

An assert was being triggered, docker builds may be using a debug build - removed the assert, and added a warning to RC to resolve this