Core/Spells: correctly implement Elemental Oath

sql/updates/world/4.3.4/2022_02_21_00_world.sql

@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_sha_clearcasting';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(16246, 'spell_sha_clearcasting');