do not allow reselection
MODIFY
WalletWasabi.Fluent/Views/NavBar/NavBar.axaml
WalletWasabi.Fluent/Views/NavBar/NavBar.axaml
<DockPanel Background="Transparent">
<c:NavBarListBox Items="{Binding Wallets}"
SelectedItem="{Binding SelectedItem, Mode=TwoWay}"
+ ReSelectSelectedItem="False"
Name="ItemsListBox"
Classes="vertical draggable narrowItemPadding"
VerticalAlignment="Stretch">

do not allow reselection