Flyout background doesn't change when it's locked

Description

I having this same problem #6552. The flyout background color can’t be set in windows. But it is supposed to be fixed now.

Steps to Reproduce

<Shell
    x:Class="MauiShellBug.AppShell"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:local="MauiShellBug"
    FlyoutBehavior="Locked"
    FlyoutBackgroundColor="White">

    <FlyoutItem Title="Home">
        <Tab>
            <ShellContent 
                ContentTemplate="{DataTemplate local:MainPage}"
                Route="MainPage" />
        </Tab>
    </FlyoutItem>

</Shell>

Version with bug

7.0 (current)

Last version that worked well

Unknown/Other

Affected platforms

Windows

Affected platform versions

windows10 19044.2486

Did you find any workaround?

No response

Relevant log output

No response

[argraur]

Fixed in https://github.com/dotnet/maui/pull/13132. But they pushed the fix into .NET 8.0, so upgrading to that is the only workaround, it seems 😦

[ziaulhasanhamim]

I have tried this with latest .net 7. The issue is still there. I would try with new previews and inform asap.