fix: add FCVAR_LINKED_CONCOMMAND flag to new commands

managed/CounterStrikeSharp.API/ConVarFlags.cs

@@ -22,11 +22,21 @@ namespace CounterStrikeSharp.API
 {
     [Flags]
     public enum ConVarFlags
-    {  
+    {
         None = 0,
         Unregistered = (1 << 0),
         DevelopmentOnly = (1 << 1),
         Notify = (1 << 8),
-        Replicated = (1<<13)
+        Replicated = (1 << 13)
     }
-}
+
+    public enum ConCommandFlags
+    {
+        FCVAR_LINKED_CONCOMMAND = (1 << 0),
+
+        FCVAR_DEVELOPMENTONLY =
+            (1 << 1), // Hidden in released products. Flag is removed automatically if ALLOW_DEVELOPMENT_CVARS is defined.
+        FCVAR_GAMEDLL = (1 << 2), // defined by the game DLL
+        FCVAR_CLIENTDLL = (1 << 3), // defined by the client DLL
+    }
+}

managed/CounterStrikeSharp.API/Core/BasePlugin.cs

@@ -147,7 +147,7 @@ public void AddCommand(string name, string description, CommandInfo.CommandCallb
             });
 
             var subscriber = new CallbackSubscriber(handler, wrappedHandler, () => { RemoveCommand(name, handler); });
-            NativeAPI.AddCommand(name, description, false, 0, subscriber.GetInputArgument());
+            NativeAPI.AddCommand(name, description, false, (int)ConCommandFlags.FCVAR_LINKED_CONCOMMAND, subscriber.GetInputArgument());
             CommandHandlers[handler] = subscriber;
         }