Server gets the current save game from a player in the game (on join and every few minutes) instead of replaying actions; vehicle fire/smoke synced, also for parked cars

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ObjectSync.cs

@@ -168,6 +168,17 @@ namespace MSCO
             return list;
         }
 
+        /// <summary>Fahrzeuge, die gerade niemand besitzt (geparkt).</summary>
+        public List<SyncedBody> FreeVehicles()
+        {
+            var list = new List<SyncedBody>();
+            foreach (SyncedBody b in byId.Values)
+                if (b.IsVehicle && b.OwnerId == SyncedBody.NoOwner && b.Rb != null) list.Add(b);
+            return list;
+        }
+
+        public bool IsLocalBody(SyncedBody b) { return IsLocal(b); }
+
         /// <summary>Fahrzeuge, die der lokale Spieler gerade besitzt (fährt/schiebt).</summary>
         public List<SyncedBody> LocalVehicles()
         {