Calling Focus() on an Entry befor it has been displayed causes ClearButton to be displayed permanently about maui HOT 4 OPEN

<maui:MauiWinUIApplication
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:maui="using:Microsoft.Maui"
    xmlns:local="using:App.WinUI"
    x:Class="App.WinUI.App">

    <!-- An underline appears in text controls on Windows when text controls get focus. -->
    <!-- Turn it off as it clashes with our validation effects. -->
    <maui:MauiWinUIApplication.Resources>
        <Thickness x:Key="TextControlBorderThemeThickness">0</Thickness>
        <Thickness x:Key="TextControlBorderThemeThicknessFocused">0</Thickness>

+       <!-- Remove clean button for text boxes. -->
+       <Color x:Key="TextControlButtonBackgroundPointerOver">Transparent</Color>
+       <Color x:Key="TextControlButtonBackgroundPressed">Transparent</Color>
+       <Color x:Key="TextControlButtonBorderBrush">Transparent</Color>
+       <Color x:Key="TextControlButtonBorderBrushPointerOver">Transparent</Color>
+       <Color x:Key="TextControlButtonBorderBrushPressed">Transparent</Color>
+       <Color x:Key="TextControlButtonForeground">Transparent</Color>
+       <Color x:Key="TextControlButtonForegroundPointerOver">Transparent</Color>
+       <Color x:Key="TextControlButtonForegroundPressed">Transparent</Color>

        <CornerRadius x:Key="ControlCornerRadius">0</CornerRadius>
    </maui:MauiWinUIApplication.Resources>
</maui:MauiWinUIApplication>