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

src/server/scripts/Spells/spell_priest.cpp

@@ -748,12 +748,14 @@ class spell_pri_pain_and_suffering_proc : public SpellScriptLoader
                 Unit* caster = GetCaster();
                 // Refresh Shadow Word: Pain on target
                 if (Unit* target = GetHitUnit())
+                {
                     if (AuraEffect* aur = target->GetAuraEffect(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_PRIEST, 0x8000, 0, 0, caster->GetGUID()))
                     {
                         aur->SetBonusAmount(caster->SpellDamageBonusDone(target, aur->GetSpellInfo(), 0, DOT));
                         aur->CalculatePeriodic(caster, false, false);
                         aur->GetBase()->RefreshDuration();
                     }
+                }
             }
 
             void Register() override