Core/Gossip: Fix crash added in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc

Fix NULL dereference crash caused by a typo in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc
Scripts/ZulGurub/Jeklik: Add missing "break"
Scripts/AhnKahet: Fix some uninitialized values

Initialize all class fields in the constructor, even if they are set in Reset() and they shouldn't be accessed before Reset() is called.
This fixes 2 Coverity reports.
Scripts/Krikthir the Gatewatcher: Fix EVENT_ANUBAR_CHARGE event not being triggered

Fix EVENT_ANUBAR_CHARGE not being triggered due to value 0 being set to the EVENT_ANUBAR_CHARGE enum, even if 0 is a special value for EventMap to specify no event was triggered.
Issue added in a127c0e1a7612094c2bf8b2f5092f55aa96f0556
DB/Creature: Fix 2 mobs incorrectly using prowl

By untaught and mario-64, closes #11703
DB/Quest: The Deserters

By untaught closes #11665
Core/Misc: Fix some static analysis issues

Fix some static analysis issues about uninitialized values. Most of them are false positives, always initialized before being accessed.
Ancient script conversion
Scripts/Blackrock Depths: Convert remaining Bosses to eventmap
Build/Cmake: Hackish VS folders