refactor(link): bound every teardown and handler wait behind one helper [CI]

backend/fleet/src/Fleet.Server.Link/NodeConnection.Receive.cs

@@ -34,12 +34,20 @@ internal sealed partial class NodeConnection
             {
                 if (TryParse(frame.Data, out RpcMessage? message))
                 {
-                    await HandleMessageAsync(message, ct);
+                    if (!await Bounded.WaitAsync(HandleMessageAsync(message, ct), _host.Options.HandlerTimeout, _host.Time))
+                    {
+                        _closeReason ??= "handler timeout";
+                        return;
+                    }
                 }
             }
             else
             {
-                await HandleBinaryAsync(frame.Data, ct);
+                if (!await Bounded.WaitAsync(HandleBinaryAsync(frame.Data, ct), _host.Options.HandlerTimeout, _host.Time))
+                {
+                    _closeReason ??= "handler timeout";
+                    return;
+                }
             }
         }
     }