update searchdialog for fyne.Do

ui/dialogs/searchdialog.go

@@ -101,7 +101,7 @@ func (sd *SearchDialog) SearchQuery() string {
 
 func (sd *SearchDialog) Show() {
 	sd.BaseWidget.Show()
-	go sd.onSearched("")
+	sd.onSearched("")
 }
 
 func (sd *SearchDialog) Refresh() {
@@ -163,14 +163,18 @@ func (sd *SearchDialog) setResults(results []*mediaprovider.SearchResult) {
 func (sd *SearchDialog) onSearched(query string) {
 	sd.loadingDots.Start()
 	var results []*mediaprovider.SearchResult
+	go func() {
 		res := sd.OnSearched(query)
 		if len(res) == 0 {
 			log.Println("No results matched the query.")
 		} else {
 			results = res
 		}
+		fyne.Do(func() {
 			sd.loadingDots.Stop()
 			sd.setResults(results)
+		})
+	}()
 }
 
 func (sd *SearchDialog) CreateRenderer() fyne.WidgetRenderer {