[Material] NavigationViewItem does not take full space in expanded(non-compact) mode

[Kunal22shah]

Current behavior

Expected behavior

How to reproduce it (as minimally and precisely as possible)

<NavigationView 
				Background="SkyBlue"
				IsBackButtonVisible="Collapsed"
				IsSettingsVisible="False"
				CornerRadius="8"
				Style="{StaticResource MaterialNavigationViewStyle}">
        <NavigationView.MenuItems>
			<NavigationViewItem Content="Item 1" />

Environment

Package Version(s): uno.sdk@6.3.0-dev.88
Affected platform(s): WinAppSDK

Anything else we need to know?

[kazo0]

I feel like both are issues we shouldnt introduce as regressions no?

[Xiaoy312]

this isnt a regression, just a pre-existing problem on windows (it is fine for uno)