Resolve the `StatePort` when the other components call it.

v2rayN/v2rayN/Handler/LazyConfig.cs

@@ -11,14 +11,24 @@ namespace v2rayN.Handler
 
         public static LazyConfig Instance => _instance.Value;
 
-        private int _statePort;
-        public int StatePort { get => _statePort; }
+        private int? _statePort;
+        public int StatePort
+        {
+            get
+            {
+                if (_statePort is null)
+                {
+                    _statePort = Utils.GetFreePort();
+                }
+
+                return _statePort.Value;
+            }
+        }
+
         private Job _processJob = new();
 
         public LazyConfig()
         {
-            _statePort = Utils.GetFreePort();
-
             SqliteHelper.Instance.CreateTable<SubItem>();
             SqliteHelper.Instance.CreateTable<ProfileItem>();
             SqliteHelper.Instance.CreateTable<ServerStatItem>();