Made ColorSelectorSliders use SpinBox instead of FloatSpinBox (#13702)

Co-authored-by: DrSmugleaf <drsmugleaf@gmail.com>

Content.Client/Administration/UI/Tabs/AdminbusTab/LoadBlueprintsWindow.xaml.cs

@@ -76,7 +76,7 @@ namespace Content.Client.Administration.UI.Tabs.AdminbusTab
             Reset();
         }
 
-        private void OnRotate(object? sender, ValueChangedEventArgs e)
+        private void OnRotate(ValueChangedEventArgs e)
         {
             var newValue = Wraparound(e.Value);