Added online filter like visible, seperated them for now. need to refactor.

LightlessSync/UI/Models/OnlinePairSortMode.cs

@@ -0,0 +1,7 @@
+namespace LightlessSync.UI.Models;
+
+public enum OnlinePairSortMode
+{
+    Alphabetical = 0,
+    PreferredDirectPairs = 1,
+}

LightlessSync/UI/Models/VisiblePairSortMode.cs

@@ -2,10 +2,9 @@ namespace LightlessSync.UI.Models;
 
 public enum VisiblePairSortMode
 {
-    Default = 0,
-    Alphabetical = 1,
-    VramUsage = 2,
-    EffectiveVramUsage = 3,
-    TriangleCount = 4,
-    PreferredDirectPairs = 5,
+    Alphabetical = 0,
+    VramUsage = 1,
+    EffectiveVramUsage = 2,
+    TriangleCount = 3,
+    PreferredDirectPairs = 4,
 }