Core/Auras: Implement PROC_FLAG_2_SUCCESSFUL_DISPEL (TrinityCore#30953)

(cherry picked from commit 27c17eb)

Author: aquadeus

src/server/game/Spells/SpellEffects.cpp

@@ -2201,6 +2201,9 @@ void Spell::EffectDispel()
 
     CallScriptSuccessfulDispel(SpellEffIndex(effectInfo->EffectIndex));
 
+    Unit::ProcSkillsAndAuras(GetUnitCasterForEffectHandlers(), unitTarget, { PROC_FLAG_NONE, PROC_FLAG_2_SUCCESSFUL_DISPEL }, PROC_FLAG_NONE,
+        PROC_SPELL_TYPE_MASK_ALL, PROC_SPELL_PHASE_HIT, PROC_HIT_NONE, nullptr, nullptr, nullptr);
+
     std::ranges::find(m_UniqueTargetInfo, unitTarget->GetGUID(), &TargetInfo::TargetGUID)->ProcHitMask |= PROC_HIT_DISPEL;
 }
 
@@ -4171,6 +4174,9 @@ void Spell::EffectDispelMechanic()
 
     CallScriptSuccessfulDispel(SpellEffIndex(effectInfo->EffectIndex));
 
+    Unit::ProcSkillsAndAuras(GetUnitCasterForEffectHandlers(), unitTarget, { PROC_FLAG_NONE, PROC_FLAG_2_SUCCESSFUL_DISPEL }, PROC_FLAG_NONE,
+        PROC_SPELL_TYPE_MASK_ALL, PROC_SPELL_PHASE_HIT, PROC_HIT_NONE, nullptr, nullptr, nullptr);
+
     std::ranges::find(m_UniqueTargetInfo, unitTarget->GetGUID(), &TargetInfo::TargetGUID)->ProcHitMask |= PROC_HIT_DISPEL;
 }