ListView navigation keys are ignoring keyboard modifiers

### Describe the bug

ListView has navigation handling for Home/End/Arrow keys, but these should only be handling the un-modified case. For example, Home key correctly takes you to the top of the list, but Alt+Home does too, which it shouldn't.

### Steps to reproduce the bug

Run this, select an item in the list, and watch the keys being pressed in the debug output.

```xaml

Hello
World

```

```cs
private void StackPanel_KeyDown(object sender, KeyRoutedEventArgs e)
{
Debug.WriteLine($"Key: {e.Key}");
}
```

If you're on the first item and press End, you don't see the key, because the ListView consumed it with a navigation. (Press End again and you _do_ see it because the list doesn't navigate.)

But select the first item and press Alt+End and you don't see the End key in the debug output, and the ListView navigates. But it shouldn't navigate, shouldn't be handling the key, since a key modifier was pressed.

### Expected behavior

_No response_

### Screenshots

_No response_

### NuGet package version

WinUI 3 - Windows App SDK 1.5.5: 1.5.240627000

### Windows version

_No response_

### Additional context

_No response_

Start with the ListView navigation handling described in the issue and reproduce the behavior using the provided XAML and C# sample. Verify the Home, End, and Arrow key cases with modifiers; done means modified keys are not consumed for ListView navigation while unmodified keys retain their current behavior.

Written by the indexing model from the issue text.