Fixes / Misc
- Fixed mission 30 "Singularity" crash.
- Fixed mission 26 "Capitulation" crash.
- Fixed mission 31 "Foothold" failing incorrectly.
- Fixed 3rd/4th prologue missions not being marked as completed.
- Fixed broken reveal trigger in Prologue iii.
- Fixed potential crash on mission 13 "Abasement".
- Fixed potential crash on mission 35 "Purification".
- Fixed Apprehension not failing after losing all units.
- Prevent Scrin allies from destroying rebel Signal Transmitters in Annexation.
- Fixed Annexation briefing typo.
- Fixed Tank Destroyer being shown (but never being available) when playing on low tech level.