Use Wallets property
MODIFY
WalletWasabi.Fluent/Views/NavBar/NavBar.axaml
WalletWasabi.Fluent/Views/NavBar/NavBar.axaml
</c:NavBarListBox>
</StackPanel>
<!-- Items List -->
- <c:NavBarListBox Items="{Binding Items}"
+ <c:NavBarListBox Items="{Binding Wallets}"
SelectedItem="{Binding SelectedItem, Mode=TwoWay}"
IsVisible="{Binding !HideItems, Mode=OneWay}"
Name="ItemsListBox"

Use Wallets property