Add AdornerCanvas
MODIFY
WalletWasabi.Fluent/Views/MainView.axaml
WalletWasabi.Fluent/Views/MainView.axaml
</Viewbox>
</ExperimentalAcrylicBorder>
+ <c:AdornerCanvas HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
<c:Dialog x:CompileBindings="False"
DataContext="{Binding FullScreen}"
IsDialogOpen="{Binding IsDialogOpen, Mode=TwoWay}"

Add AdornerCanvas