Set cancel handlers defaults
MODIFY
WalletWasabi.Fluent/Views/MainView.axaml
WalletWasabi.Fluent/Views/MainView.axaml
<c:Dialog x:CompileBindings="False"
DataContext="{Binding DialogScreen}"
IsDialogOpen="{Binding IsDialogOpen, Mode=TwoWay}"
+ EnableCancelOnPressed="False"
+ EnableCancelOnEscape="True"
IsEnabled="{Binding $parent.DataContext.IsDialogScreenEnabled}"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
MaxContentWidth="800" MaxContentHeight="700">
</c:Dialog>
<c:Dialog DataContext="{Binding CurrentDialog}"
IsDialogOpen="{Binding IsDialogOpen, Mode=TwoWay}"
+ EnableCancelOnPressed="False"
+ EnableCancelOnEscape="True"
Content="{Binding }"
HorizontalContentAlignment="Center" VerticalContentAlignment="Center" />
</Panel>

Set cancel handlers defaults