Improve cannot close message.
Resolves:
MODIFY
WalletWasabi.Gui/Dialogs/CannotCloseDialogView.xaml
WalletWasabi.Gui/Dialogs/CannotCloseDialogView.xaml
<controls:GroupBox Title="Unable to Close Application" Background="{DynamicResource ThemeControlBackgroundBrush}" TextBlock.FontSize="30" BorderThickness="0" Margin="0 80">
<Grid Classes="content">
<Panel Margin="10">
- <TextBlock FontSize="15" Text="It is not possible to close the application when coins are queued for CoinJoin. Please dequeue your coins and try again." TextWrapping="Wrap" />
+ <TextBlock FontSize="15" Text="You have coins registered for CoinJoin. Please dequeue your coins and try again. DON'T WORRY, your coins are safe in case of lost internet or Tor connection, or a computer crash. The worst thing that can happen is that your coins get banned from participatin for a few hours or days if a round would progress from Registration phase before your registered coins would time out." TextWrapping="Wrap" />
</Panel>
</Grid>
</controls:GroupBox>

Improve cannot close message.
Resolves: https://github.com/zkSNACKs/WalletWasabi/issues/730