add textwrap to PreviewItem's TextBlock
MODIFY
WalletWasabi.Fluent/Controls/PreviewItem.axaml
WalletWasabi.Fluent/Controls/PreviewItem.axaml
<Style Selector="c|PreviewItem /template/ TextBlock#PART_Text">
<Setter Property="Opacity" Value="0.6" />
<Setter Property="FontSize" Value="14" />
+ <Setter Property="TextWrapping" Value="Wrap" />
</Style>
<Style Selector="c|PreviewItem :is(Control) TextBlock, c|PreviewItem :is(TextBlock)">

add textwrap to PreviewItem's TextBlock