Trigger trap procs for trap triggerer in case of non-damage traps

Fixes Snake Trap and Frost trap not triggering trap talents properly,
because those target player due to specific target modes. Should still
proc for trap triggerer nonetheless.

src/game/Spells/Spell.cpp

@@ -1228,7 +1228,8 @@ void Spell::DoAllEffectOnTarget(TargetInfo* target)
         procEx = createProcExtendMask(&damageInfo, missInfo);
         // Do triggers for unit (reflect triggers passed on hit phase for correct drop charge)
         if (m_canTrigger && missInfo != SPELL_MISS_REFLECT)
-            caster->ProcDamageAndSpell(unit, real_caster ? procAttacker : uint32(PROC_FLAG_NONE), procVictim, procEx, 0, m_attackType, m_spellInfo, !!m_triggeredByAuraSpell);
+            // traps need to be procced at trap triggerer
+            caster->ProcDamageAndSpell(procAttacker & PROC_FLAG_ON_TRAP_ACTIVATION ? m_targets.getUnitTarget() : unit, real_caster ? procAttacker : uint32(PROC_FLAG_NONE), procVictim, procEx, 0, m_attackType, m_spellInfo, !!m_triggeredByAuraSpell);
     }
 
     // Call scripted function for AI if this spell is casted upon a creature