重写controller部分，修改search界面，添加歌词滚动效果，部分资源添加到bundle，修复拖动进度条时产生的噪音

gui/component/button.go

@@ -0,0 +1,43 @@
+package component
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+type AsyncButton struct {
+	widget.Button
+}
+
+func NewAsyncButton(label string, tapped func()) *AsyncButton {
+	b := &AsyncButton{
+		Button: widget.Button{
+			Text: label,
+		},
+	}
+	b.ExtendBaseWidget(b)
+	b.SetOnTapped(tapped)
+	return b
+}
+
+func NewAsyncButtonWithIcon(label string, icon fyne.Resource, tapped func()) *AsyncButton {
+	b := &AsyncButton{
+		Button: widget.Button{
+			Text: label,
+			Icon: icon,
+		},
+	}
+	b.ExtendBaseWidget(b)
+	b.SetOnTapped(tapped)
+	return b
+}
+
+func (b *AsyncButton) SetOnTapped(f func()) {
+	b.Button.OnTapped = func() {
+		b.Disable()
+		go func() {
+			f()
+			b.Enable()
+		}()
+	}
+}