use fastest image scale mode for now playing cards

ui/widgets/largenowplayingcard.go

@@ -4,6 +4,7 @@ import (
 	"image"
 
 	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/theme"
@@ -46,6 +47,7 @@ func NewLargeNowPlayingCard() *LargeNowPlayingCard {
 	n.rating.StarSize = theme.IconInlineSize() + theme.InnerPadding()/2
 	n.rating.OnRatingChanged = n.onSetRating
 	n.favorite.OnTapped = n.onToggleFavorite
+	n.cover.ScaleMode = canvas.ImageScaleFastest
 	// set up the layout
 	n.Content = n.cover
 	n.Caption = container.New(&layouts.VboxCustomPadding{ExtraPad: -13},

ui/widgets/nowplayingcard.go

@@ -52,6 +52,7 @@ func NewNowPlayingCard() *NowPlayingCard {
 	n.trackName.TextStyle.Bold = true
 	n.cover.SetMinSize(fyne.NewSize(85, 85))
 	n.cover.FillMode = canvas.ImageFillContain
+	n.cover.ScaleMode = canvas.ImageScaleFastest
 	n.cover.Hidden = true
 	n.albumName.OnTapped = n.onAlbumNameTapped
 	n.artistName.OnTapped = n.onArtistNameTapped