Fix selection brush on MultiTextBox.
MODIFY
WalletWasabi.Gui/Controls/MultiTextBox.xaml
WalletWasabi.Gui/Controls/MultiTextBox.xaml
<Setter Property="Background" Value="{DynamicResource ThemeBackgroundBrush}" />
<Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderMidBrush}" />
<Setter Property="BorderThickness" Value="{DynamicResource ThemeBorderThickness}" />
+ <Setter Property="SelectionBrush" Value="{DynamicResource HighlightBrush}"/>
+ <Setter Property="SelectionForegroundBrush" Value="{DynamicResource HighlightForegroundBrush}"/>
<Setter Property="Padding" Value="4" />
<Setter Property="Template">
<ControlTemplate>
SelectionEnd="{TemplateBinding SelectionEnd}"
TextAlignment="{TemplateBinding TextAlignment}"
TextWrapping="{TemplateBinding TextWrapping}"
- PasswordChar="{TemplateBinding PasswordChar}" />
+ PasswordChar="{TemplateBinding PasswordChar}"
+ SelectionBrush="{TemplateBinding SelectionBrush}"
+ SelectionForegroundBrush="{TemplateBinding SelectionForegroundBrush}"
+ CaretBrush="{TemplateBinding CaretBrush}"/>
</Panel>
</ScrollViewer>
</DataValidationErrors>

Fix selection brush on MultiTextBox.