Controls don't respect FontFamily property

[Reimnop]

Hello, this package is great! However, I've noticed that the mdc controls do not respect the FontFamily property, which affects the look of my app.

Reproduction

• Add a material control (e.g. mdc:Button)
• Add FontFamily property to it
• See that the font does not change

Expected behavior

• The font changes according to the FontFamily property

Code

<VerticalStackLayout 
    Spacing="12" 
    VerticalOptions="Center">

    <!-- mdc button (doesn't work as expected) -->
    <mdc:Button 
        WidthRequest="256" 
        Text="Click me!" 
        FontFamily="RobotoRegular" />

    <!-- maui button (works) -->
    <Button 
        WidthRequest="256" 
        Text="Click me!" 
        FontFamily="RobotoRegular" />
</VerticalStackLayout>

Image