Kryzzar cb loc fix and tier 6 reform tweak

Fixed broken leslinpar event loc

Fixed Wex not getting subjugation cb in "Restore Vanbury" Mission
Fixed sent gift triggers not working for multiple wex missions
Fixed Kryzzar mission icons

Changed steam thumbnail

Multiple tweaks and nerfs for Leslinpar, Kryzzar, Tretun and Pearlsedge
Fixed Amldihr government reforms not working
Fixed Atheist Lencenor subjects for Pearlsedge
Magmascale scorched wings fix
Fixed Vængheim highlighting

Thanks for Ziwik and TopHat (Liv) for fixing some of these issues.