Run modernise on the project

This will be available in "go fix" within Go 1.26 but in the meantime:

go run golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest -fix -test ./...

ui/widgets/albumfilterbutton.go

@@ -236,7 +236,7 @@ type GenreFilterSubsection struct {
 	genreList []string
 	onChanged func([]string)
 
-	selectedGenres      map[string]interface{}
+	selectedGenres      map[string]any
 	selectedGenresMutex sync.RWMutex
 
 	filterText         *widget.Entry
@@ -253,7 +253,7 @@ type GenreFilterSubsection struct {
 func NewGenreFilterSubsection(onChanged func([]string), initialSelectedGenres []string) *GenreFilterSubsection {
 	g := &GenreFilterSubsection{
 		onChanged:      onChanged,
-		selectedGenres: make(map[string]interface{}),
+		selectedGenres: make(map[string]any),
 	}
 	g.ExtendBaseWidget(g)
 

ui/widgets/starrating.go

@@ -45,7 +45,7 @@ func NewStarRating() *StarRating {
 func (s *StarRating) createContainer() {
 	s.container = container.New(layout.NewCustomPaddedHBoxLayout(0))
 	var im *canvas.Image
-	for i := 0; i < 5; i++ {
+	for i := range 5 {
 		if s.IsDisabled {
 			im = canvas.NewImageFromResource(themedDisabledStarOutline)
 		} else if s.Rating > i {
@@ -126,7 +126,7 @@ func (s *StarRating) Refresh() {
 	if !s.holdRating && s.mouseHoverRating > 0 {
 		rating = s.mouseHoverRating
 	}
-	for i := 0; i < 5; i++ {
+	for i := range 5 {
 		im := s.container.Objects[i].(*canvas.Image)
 		im.SetMinSize(fyne.NewSize(s.StarSize, s.StarSize))
 		if s.IsDisabled {

ui/widgets/tracklistloader.go

@@ -58,7 +58,7 @@ func (t *TracklistLoader) loadMoreTracks(num int) {
 			t.trackBuffer = make([]*mediaprovider.Track, 0, num)
 		}
 		t.trackBuffer = t.trackBuffer[:0]
-		for i := 0; i < num; i++ {
+		for range num {
 			tr := t.iter.Next()
 			if tr == nil {
 				t.done = true