[Vanilla Bug/Feature Request] `AITriggerTypeClass::Process` assumes there are only two houses (`GDI` and `Nod`)

[CCHyper]

Description:

AITriggerTypeClass::Process assumes there are only two houses (GDI and Nod) when processing the trigger.

The ts-patches implementation is questionable and further research is needed.

See issue #237 ; https://github.com/CnCNet/ts-patches/blob/master/src/mods/sideindex_improvements_v2.asm