Core/Spells: Fixed spell with SPELL_AURA_MECHANIC_IMMUNITY_MASK failing to cast if they were supposed to purge effect they are granting immunity to (CreatureImmunities was not checked)

Port From (https://github.com/TrinityCore/TrinityCore/commit/e1e4aa7980a6e91a330d615467b2c25b60dcbcc1)

Source/Game/Spells/Auras/Aura.cs

@@ -2772,6 +2772,13 @@ namespace Game.Spells
                     targets.Add(target, targetPair.Value);
             }
 
+            // skip area update if owner is not in world!
+            if (!GetUnitOwner().IsInWorld)
+                return;
+
+            if (GetUnitOwner().HasAuraState(AuraStateType.Banished, GetSpellInfo(), caster))
+                return;
+
             foreach (var spellEffectInfo in GetSpellInfo().GetEffects())
             {
                 if (!HasEffect(spellEffectInfo.EffectIndex))
@@ -2781,13 +2788,6 @@ namespace Game.Spells
                 if (spellEffectInfo.Effect == SpellEffectName.ApplyAura)
                     continue;
 
-                // skip area update if owner is not in world!
-                if (!GetUnitOwner().IsInWorld)
-                    continue;
-
-                if (GetUnitOwner().HasAuraState(AuraStateType.Banished, GetSpellInfo(), caster))
-                    continue;
-
                 List<WorldObject> units = new();
                 var condList = spellEffectInfo.ImplicitTargetConditions;