Add behavior to walletexplorer to prevent tooltips getting stuck on the screen.
MODIFY
WalletWasabi.Gui/Controls/WalletExplorer/WalletExplorerView.xaml
WalletWasabi.Gui/Controls/WalletExplorer/WalletExplorerView.xaml
<StackPanel Classes="TreeViewRoot">
<i:Interaction.Behaviors>
<behaviors:CommandOnDoubleClickBehavior Command="{Binding OpenWalletCommand}" />
+ <behaviors:PreventTooltipStuckBehavior />
</i:Interaction.Behaviors>
<StackPanel.ContextMenu>
<ContextMenu>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:WalletViewModel" ItemsSource="{Binding Actions}">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<StackPanel.DataTemplates>
<DataTemplate DataType="ViewModels:HardwareWalletViewModel">
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorer_HardwareWalletOpen}" />
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:SendTabViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_Send}" />
<TextBlock Text="{Binding Title}" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:BuildTabViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_Builder}" />
<TextBlock Text="{Binding Title}" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:ReceiveTabViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_Receive}" />
<TextBlock Text="{Binding Title}" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:CoinJoinTabViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_CoinJoin}" />
<TextBlock Text="{Binding Title}" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:HistoryTabViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_History}" />
<TextBlock Text="{Binding Title}" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:WalletInfoViewModel">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_Info}" />
<TextBlock Text="Wallet Info" />
</StackPanel>
</TreeDataTemplate>
<TreeDataTemplate DataType="ViewModels:WalletAdvancedViewModel" ItemsSource="{Binding Items}">
<StackPanel Classes="TreeViewRoot">
+ <i:Interaction.Behaviors>
+ <behaviors:PreventTooltipStuckBehavior />
+ </i:Interaction.Behaviors>
<DrawingPresenter Width="16" Height="16" Drawing="{DynamicResource WalletExplorerView_Advanced}" />
<TextBlock Text="Advanced" />
</StackPanel>

Add behavior to walletexplorer to prevent tooltips getting stuck on the screen.