DB/Misc:

 - Convert c_t_a entry into c_a to prevent errors
 - Allow mounting in Black Temple <outdoor parts>
 - fix by exodius to add sound for Corrupted Ashbringer
Closes #9997
DB/creature: another c_t_a to c_a convert
DB/SAI: Fix several runtime warnings / logical mistakes

* Wrong event types for linked events
* Possible multiple AI template initialization