Core/Auras: reset periodic aura timers by default. Except when aura comes from triggered spell

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

@@ -3161,7 +3161,7 @@ void Unit::DeMorph()
     SetDisplayId(GetNativeDisplayId());
 }
 
-Aura* Unit::_TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8 effMask, Unit* caster, int32* baseAmount /*= NULL*/, Item* castItem /*= NULL*/, ObjectGuid casterGUID /*= 0*/)
+Aura* Unit::_TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8 effMask, Unit* caster, int32* baseAmount /*= nullptr*/, Item* castItem /*= nullptr*/, ObjectGuid casterGUID /*= ObjectGuid::Empty*/, bool resetPeriodicTimer /*= true*/)
 {
     ASSERT(casterGUID || caster);
 
@@ -3184,7 +3184,7 @@ Aura* Unit::_TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8
             // extremely rare case
             // let's just recreate aura
             if (effMask != foundAura->GetEffectMask())
-                return NULL;
+                return nullptr;
 
             // update basepoints with new values - effect amount will be recalculated in ModStackAmount
             for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
@@ -3210,12 +3210,12 @@ Aura* Unit::_TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8
             }
 
             // try to increase stack amount
-            foundAura->ModStackAmount(1);
+            foundAura->ModStackAmount(1, AURA_REMOVE_BY_DEFAULT, resetPeriodicTimer);
             return foundAura;
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 void Unit::_AddAura(UnitAura* aura, Unit* caster)
@@ -3823,7 +3823,7 @@ void Unit::RemoveAurasDueToSpellBySteal(uint32 spellId, ObjectGuid casterGUID, U
                 if (aura->IsSingleTarget())
                     aura->UnregisterSingleTarget();
 
-                if (Aura* newAura = Aura::TryRefreshStackOrCreate(aura->GetSpellInfo(), effMask, stealer, NULL, &baseDamage[0], NULL, aura->GetCasterGUID()))
+                if (Aura* newAura = Aura::TryRefreshStackOrCreate(aura->GetSpellInfo(), effMask, stealer, nullptr, &baseDamage[0], nullptr, aura->GetCasterGUID()))
                 {
                     // created aura must not be single target aura,, so stealer won't loose it on recast
                     if (newAura->IsSingleTarget())