Revert "fix(Core/Vehicles): defer accessory init to avoid double install" (#25491)

src/server/game/Entities/Creature/Creature.cpp

@@ -713,13 +713,6 @@ void Creature::Update(uint32 diff)
             m_vehicleKit->Reset();
     }
 
-    if (_triggerVehicleKitInit)
-    {
-        _triggerVehicleKitInit = false;
-        if (m_vehicleKit)
-            m_vehicleKit->Reset();
-    }
-
     switch (m_deathState)
     {
         case DeathState::JustRespawned:
@@ -1120,10 +1113,9 @@ bool Creature::AIM_Initialize(CreatureAI* ai)
     IsAIEnabled = true;
     i_AI->InitializeAI();
 
-    // Defer vehicle kit init to the next Creature::Update tick so accessories
-    // install after visibility sync.
-    if (GetVehicleKit())
-        _triggerVehicleKitInit = true;
+    // Xinef: Initialize vehicle if it is not summoned!
+    if (GetVehicleKit() && m_spawnId)
+        GetVehicleKit()->Reset();
     return true;
 }