[Icon update detected by Github Action]. Auto generated pull request. (#2460)

Co-authored-by: Material Design Service Account <[email protected]>

Author: github-actions[bot]

MaterialDesignThemes.Wpf/PackIconKind.cs

@@ -4925,7 +4925,11 @@ public enum PackIconKind
         FeatureSearchOutline,
         Fedora,
         Fence,
+        Railway=Fence,
+        TrainTrack=Fence,
         FenceElectric,
+        RailwayElectric=FenceElectric,
+        TrainTrackElectric=FenceElectric,
         Fencing,
         SwordFight=Fencing,
         FerrisWheel,