fix(Core/Spells): Lightning Overload should not proc off from itself. (#15595)

Fixes #15499

src/server/game/Entities/Unit/Unit.cpp

@@ -8318,6 +8318,12 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                     if (procEx & PROC_EX_CRITICAL_HIT)
                         damage /= 2;
 
+                    // do not proc off from itself
+                    if (procSpell->Id == 45297 || procSpell->Id == 45284)
+                    {
+                        return false;
+                    }
+
                     do
                     {
                         uint32 spell = 0;