Core/Spells: implement SPELL_AURA_PROC_TRIGGER_SPELL_COPY

* fixed proc for Dragonwrath, Tarecgosa's Rest

sql/updates/world/custom/custom_2019_05_10_00_world.sql

@@ -0,0 +1,3 @@
+DELETE FROM `spell_proc` WHERE `SpellId`= 101056;
+INSERT INTO `spell_proc` (`SpellId`, `SpellFamilyName`, `SpellFamilyMask0`, `SpellFamilyMask1`, `SpellFamilyMask2`, `ProcFlags`, `SpellTypeMask`, `SpellPhaseMask`, `HitMask`, `AttributesMask`, `Chance`, `Cooldown`) VALUES
+(101056 , 0, 0, 0, 0, 0, 1, 2, 0, 0, 9, 0);