Disable scrollviewer scrollbars in the address textbox
MODIFY
WalletWasabi.Fluent/Views/Wallets/Send/SendView.axaml
WalletWasabi.Fluent/Views/Wallets/Send/SendView.axaml
<Label DockPanel.Dock="Left" Content="_To:" Target="toTb" />
<TextBox x:Name="toTb" MaxLength="250" Text="{Binding To}" Classes="monoSpaced"
Watermark="(e.g. Bitcoin address or payjoin URL)"
+ ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+ ScrollViewer.VerticalScrollBarVisibility="Disabled"
AcceptsReturn="False">
<i:Interaction.Behaviors>
<behaviors:FocusOnAttachedBehavior />

Disable scrollviewer scrollbars in the address textbox