Core/Spell: SpellAura Redux (#22794)

* typo and correction

* spell aura no longer shared between targets

_spellAura isolated

* SPELL_AURA_CONTROL_VEHICLE is not strictly single target spell

Steam Tank Control and Wyrmrest Commander

units can reseat themselves again

* Rename 9999_99_99_99_world.sql to 2019_03_08_00_world.sql

sql/updates/world/4.3.4/2022_09_03_00_world.sql

@@ -0,0 +1,4 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName` = 'spell_gen_vehicle_control_link' AND `spell_id` IN (49078, 50343);
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(49078, 'spell_gen_vehicle_control_link'),
+(50343, 'spell_gen_vehicle_control_link');