如果没有在使用模板的XAML中指定，我如何才能使模板中的HeightRequest被忽略？

public class IgnoreHeightRequestBehavior : Behavior<View>
{
    protected override void OnAttachedTo(View bindable)
    {
        base.OnAttachedTo(bindable);
        bindable.SizeChanged += OnSizeChanged;
    }

    protected override void OnDetachingFrom(View bindable)
    {
        base.OnDetachingFrom(bindable);
        bindable.SizeChanged -= OnSizeChanged;
    }

    private void OnSizeChanged(object sender, EventArgs e)
    {
        var view = (View)sender;
        view.HeightRequest = -1; // 设置为自适应高度
    }
}

<ContentPage ...
             xmlns:behaviors="clr-namespace:YourNamespace.Behaviors">
    <ContentPage.Resources>
        <ResourceDictionary>
            <behaviors:IgnoreHeightRequestBehavior x:Key="IgnoreHeightRequestBehavior" />
        </ResourceDictionary>
    </ContentPage.Resources>
    
    <StackLayout>
        <Label Text="Your Content" />
        <Button Text="Your Button" />
        <Entry Text="Your Entry" />
        <!-- 使用Behavior -->
        <Label Text="Your Template" Behaviors:Behavior.Behaviors="{StaticResource IgnoreHeightRequestBehavior}" />
    </StackLayout>
</ContentPage>