Core/Maps: Adjusted WorldObject::GetGridActivationRange() to never be less than map visibility distance for active objects to ensure equal ranges for activation/deactivation of grids

Updates #19072

src/server/game/Entities/Object/Object.cpp

@@ -1692,23 +1692,18 @@ void WorldObject::UpdateAllowedPositionZ(float x, float y, float &z) const
 
 float WorldObject::GetGridActivationRange() const
 {
-    if (ToPlayer())
+    if (isActiveObject())
     {
-        if (ToPlayer()->GetCinematicMgr()->IsOnCinematic())
-            return DEFAULT_VISIBILITY_INSTANCE;
+        if (GetTypeId() == TYPEID_PLAYER && ToPlayer()->GetCinematicMgr->IsOnCinematic())
+            return std::max(DEFAULT_VISIBILITY_INSTANCE, GetMap()->GetVisibilityRange());
+
         return GetMap()->GetVisibilityRange();
     }
-    else if (ToCreature())
-        return ToCreature()->m_SightDistance;
-    else if (ToDynObject())
-    {
-        if (isActiveObject())
-            return GetMap()->GetVisibilityRange();
-        else
-            return 0.0f;
-    }
-    else
-        return 0.0f;
+
+    if (Creature const* thisCreature = ToCreature())
+        return thisCreature->m_SightDistance;
+
+    return 0.0f;
 }
 
 float WorldObject::GetVisibilityRange() const