* Scripts/Svala SorrowGrave - Fix broken intro event and Ritual of the Sword
* Added missing header for non-PCH build.
* Added error checking for Svala's targeting, and tightened up the timing on the intro event.
* Update WorldDB\Creature_Template_Movement for Svala
* Fix movement during intro and ritual event
* Rename SQL file for merge
Co-authored-by: Carbenium <[email protected]>
(cherry picked from commit a225717b99b6d1befcfe40f3001bfb1efcf8a9d8)
