[10757] Implement zone limited pets unsummon at leave allowed zones.

* Also remove redundant zone/area args for zone/area update function like UpdateZoneDependentAuras.
* Merge Player::*AllControlledUnits functions to Unit version with replace option args by mask arg.
* Unit::*AllControlledUnits guardian iteration make working with internal unsummon call suport for guardians case.

src/game/SpellEffects.cpp

@@ -6188,7 +6188,7 @@ void Spell::EffectScriptEffect(SpellEffectIndex eff_idx)
                     {
                         // Is this all to be done at completion?
                         if (Pet* pPet = m_caster->FindGuardianWithEntry(pSpell->EffectMiscValue[EFFECT_INDEX_0]))
-                            pPet->Unsummon(PET_SAVE_NOT_IN_SLOT, m_caster);
+                            pPet->Unsummon(PET_SAVE_AS_DELETED, m_caster);
                     }
                     return;
                 }