remove animation delay
MODIFY
WalletWasabi.Fluent/Views/TransactionBroadcasting/SuccessView.axaml
WalletWasabi.Fluent/Views/TransactionBroadcasting/SuccessView.axaml
<Viewbox.Styles>
<Style Selector=":is(PathIcon).fadeIn">
<Style.Animations>
- <Animation Duration="0:0:1" Delay="0:0:1">
+ <Animation Duration="0:0:1">
<KeyFrame Cue="0%">
<Setter Property="Opacity" Value="0.0" />
</KeyFrame>

remove animation delay