fix(Peek): prevent OverflowException in NumberOfDigits for int.MinValue

Cast to long before Math.Abs to avoid OverflowException when num == int.MinValue,
since |int.MinValue| > int.MaxValue.

Closes #46960

src/modules/peek/Peek.Common/Helpers/MathHelper.cs

@@ -16,7 +16,7 @@ namespace Peek.Common.Helpers
 
         public static int NumberOfDigits(int num)
         {
-            return Math.Abs(num).ToString(CultureInfo.InvariantCulture).Length;
+            return Math.Abs((long)num).ToString(CultureInfo.InvariantCulture).Length;
         }
     }
 }

src/settings-ui/Settings.UI/ViewModels/ShellViewModel.cs

@@ -9,7 +9,6 @@ using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Input;
 
-using ManagedCommon;
 using Microsoft.PowerToys.Settings.UI.Helpers;
 using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.PowerToys.Settings.UI.Library.Helpers;
@@ -136,18 +135,7 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
 
         private void Frame_NavigationFailed(object sender, NavigationFailedEventArgs e)
         {
-            var sourcePage = e.SourcePageType?.FullName ?? "<unknown>";
-
-            if (e.Exception is null)
-            {
-                Logger.LogWarning($"Navigation to '{sourcePage}' failed without an exception.");
-            }
-            else
-            {
-                Logger.LogError($"Navigation to '{sourcePage}' failed.", e.Exception);
-            }
-
-            e.Handled = true;
+            throw e.Exception;
         }
 
         private void Frame_Navigated(object sender, NavigationEventArgs e)