use new system via an update info

ModpackUpdater/UpdateCheckResult.vb

@@ -1,10 +1,20 @@
 Public Class UpdateCheckResult
 
+    Public Property IsLegacy As Boolean
     Public ReadOnly Property SyncFiles As New List(Of UpdateSyncFile)
 
+    Public Property CurrentVersion As Version
+    Public Property LatestVersion As Version
+    Public ReadOnly Property UpdateActions As New List(Of UpdateAction)
+    Public Property HasError As Boolean
+
     Public ReadOnly Property HasUpdates As Boolean
         Get
-            Return SyncFiles.Where(Function(n) n.SyncAction <> UpdateSyncAction.None).Any
+            If IsLegacy Then
+                Return SyncFiles.Where(Function(n) n.SyncAction <> UpdateSyncAction.None).Any
+            Else
+                Return CurrentVersion < LatestVersion
+            End If
         End Get
     End Property