Rename RestoreDefaultValueButton to RevertToDefaultButton

Because I can't find it every time I search.

osu.Game/Overlays/RevertToDefaultButton.cs

@@ -22,7 +22,7 @@ using osu.Game.Localisation;
 
 namespace osu.Game.Overlays
 {
-    public partial class RestoreDefaultValueButton<T> : OsuClickableContainer, IHasCurrentValue<T>
+    public partial class RevertToDefaultButton<T> : OsuClickableContainer, IHasCurrentValue<T>
     {
         public override bool IsPresent => base.IsPresent || Scheduler.HasPendingTasks;
 
@@ -58,7 +58,7 @@ namespace osu.Game.Overlays
         private CircularContainer circle = null!;
         private Box background = null!;
 
-        public RestoreDefaultValueButton()
+        public RevertToDefaultButton()
             : base(HoverSampleSet.Button)
         {
         }

osu.Game/Overlays/Settings/Sections/Input/KeyBindingRow.cs

@@ -103,7 +103,7 @@ namespace osu.Game.Overlays.Settings.Sections.Input
                 {
                     RelativeSizeAxes = Axes.Y,
                     Width = SettingsPanel.CONTENT_MARGINS,
-                    Child = new RestoreDefaultValueButton<bool>
+                    Child = new RevertToDefaultButton<bool>
                     {
                         Current = isDefault,
                         Action = RestoreDefaults,

osu.Game/Overlays/Settings/SettingsItem.cs

@@ -217,7 +217,7 @@ namespace osu.Game.Overlays.Settings
             // intentionally done before LoadComplete to avoid overhead.
             if (ShowsDefaultIndicator)
             {
-                defaultValueIndicatorContainer.Add(new RestoreDefaultValueButton<T>
+                defaultValueIndicatorContainer.Add(new RevertToDefaultButton<T>
                 {
                     Current = controlWithCurrent.Current,
                     Anchor = Anchor.Centre,