DB/SAI: Convert Felblood Initiate to SAI and fix runtime warning

-trinitycore
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
[DB/SPELL_SCRIPT] Corrupted Ashbringer (Voices)
-trinitycore
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