Core/Spells: Send OriginalCastId in SMSG_SPELL_START and SMSG_SPELL_GO for triggered spells in 'game' project

Port From (https://github.com/TrinityCore/TrinityCore/commit/555b2d40ecc22eb0ea4bf913b534ffa7197fa6fe)

Source/Game/Entities/AreaTrigger/AreaTrigger.cs

@@ -642,7 +642,8 @@ namespace Game.Entities
                         switch (action.ActionType)
                         {
                             case AreaTriggerActionTypes.Cast:
-                                caster.CastSpell(unit, action.Param, true);
+                                caster.CastSpell(unit, action.Param, new CastSpellExtraArgs(TriggerCastFlags.FullMask)
+                                    .SetOriginalCastId(m_areaTriggerData.CreatingEffectGUID._value.IsCast() ? m_areaTriggerData.CreatingEffectGUID : ObjectGuid.Empty));
                                 break;
                             case AreaTriggerActionTypes.AddAura:
                                 caster.AddAura(action.Param, unit);

Source/Game/Entities/Object/ObjectGuid.cs

@@ -160,9 +160,9 @@ namespace Game.Entities
         public bool IsAnyTypeGameObject() { return IsGameObject() || IsMOTransport(); }
         public bool IsParty() { return GetHigh() == HighGuid.Party; }
         public bool IsGuild() { return GetHigh() == HighGuid.Guild; }
-        bool IsSceneObject() { return GetHigh() == HighGuid.SceneObject; }
-        bool IsConversation() { return GetHigh() == HighGuid.Conversation; }
-        bool IsCast() { return GetHigh() == HighGuid.Cast; }
+        public bool IsSceneObject() { return GetHigh() == HighGuid.SceneObject; }
+        public bool IsConversation() { return GetHigh() == HighGuid.Conversation; }
+        public bool IsCast() { return GetHigh() == HighGuid.Cast; }
 
         public TypeId GetTypeId() { return GetTypeId(GetHigh()); }
         bool HasEntry() { return HasEntry(GetHigh()); }

Source/Game/Entities/Object/WorldObject.cs

@@ -2248,7 +2248,7 @@ namespace Game.Entities
                 return;
             }
 
-            Spell spell = new Spell(this, info, args.TriggerFlags, args.OriginalCaster);
+            Spell spell = new Spell(this, info, args.TriggerFlags, args.OriginalCaster, args.OriginalCastId);
             foreach (var pair in args.SpellValueOverrides)
                 spell.SetSpellValue(pair.Key, pair.Value);
 

Source/Game/Entities/StatSystem.cs

@@ -706,9 +706,7 @@ namespace Game.Entities
                             break;
                     }
 
-                    CastSpellExtraArgs args = new(TriggerCastFlags.FullMask);
-                    args.TriggeringAura = effect;
-                    CastSpell(this, triggerSpell, args);
+                    CastSpell(this, triggerSpell, new CastSpellExtraArgs(effect));
                 }
             }
         }

Source/Game/Entities/Unit/Unit.Combat.cs

@@ -570,9 +570,7 @@ namespace Game.Entities
                 }
                 else
                 {
-                    CastSpellExtraArgs args = new(TriggerCastFlags.FullMask);
-                    args.TriggeringAura = meleeAttackAuraEffect;
-                    CastSpell(victim, meleeAttackSpellId, args);
+                    CastSpell(victim, meleeAttackSpellId, new CastSpellExtraArgs(meleeAttackAuraEffect));
 
                     HitInfo hitInfo = HitInfo.AffectsVictim | HitInfo.NoAnimation;
                     if (attType == WeaponAttackType.OffAttack)

Source/Game/Entities/Unit/Unit.Spells.cs

@@ -2920,7 +2920,7 @@ namespace Game.Entities
                             if (aura.IsSingleTarget())
                                 aura.UnregisterSingleTarget();
 
-                            AuraCreateInfo createInfo = new(aura.GetCastGUID(), aura.GetSpellInfo(), aura.GetCastDifficulty(), effMask, stealer);
+                            AuraCreateInfo createInfo = new(aura.GetCastId(), aura.GetSpellInfo(), aura.GetCastDifficulty(), effMask, stealer);
                             createInfo.SetCasterGUID(aura.GetCasterGUID());
                             createInfo.SetBaseAmount(baseDamage);
 
@@ -3903,7 +3903,7 @@ namespace Game.Entities
                 {
                     Unit caster = aura.GetCaster();
                     if (caster && caster.IsTypeId(TypeId.Player))
-                        Spell.SendCastResult(caster.ToPlayer(), aura.GetSpellInfo(), aura.GetSpellVisual(), aura.GetCastGUID(), SpellCastResult.AuraBounced);
+                        Spell.SendCastResult(caster.ToPlayer(), aura.GetSpellInfo(), aura.GetSpellVisual(), aura.GetCastId(), SpellCastResult.AuraBounced);
                 }
 
                 aura.Remove();

Source/Game/Entities/Unit/Unit.cs

@@ -3401,7 +3401,7 @@ namespace Game.Entities
                     uint split_absorb = 0;
                     DealDamageMods(damageInfo.GetAttacker(), caster, ref splitDamage, ref split_absorb);
 
-                    SpellNonMeleeDamage log = new(damageInfo.GetAttacker(), caster, itr.GetSpellInfo(), itr.GetBase().GetSpellVisual(), damageInfo.GetSchoolMask(), itr.GetBase().GetCastGUID());
+                    SpellNonMeleeDamage log = new(damageInfo.GetAttacker(), caster, itr.GetSpellInfo(), itr.GetBase().GetSpellVisual(), damageInfo.GetSchoolMask(), itr.GetBase().GetCastId());
                     CleanDamage cleanDamage = new(splitDamage, 0, WeaponAttackType.BaseAttack, MeleeHitOutcome.Normal);
                     DealDamage(damageInfo.GetAttacker(), caster, splitDamage, cleanDamage, DamageEffectType.Direct, damageInfo.GetSchoolMask(), itr.GetSpellInfo(), false);
                     log.damage = splitDamage;