fix tap events for gridview

ui/browsing/albumpage.go

@@ -147,7 +147,7 @@ type AlbumPageHeader struct {
 func NewAlbumPageHeader(page *AlbumPage) *AlbumPageHeader {
 	a := &AlbumPageHeader{page: page}
 	a.ExtendBaseWidget(a)
-	a.cover = widgets.NewTappableImage(func() { go a.showPopUpCover() })
+	a.cover = widgets.NewTappableImage(func(*fyne.PointEvent) { go a.showPopUpCover() })
 	a.cover.FillMode = canvas.ImageFillContain
 	a.cover.SetMinSize(fyne.NewSize(225, 225))
 

ui/browsing/artistpage.go

@@ -251,7 +251,7 @@ func NewArtistPageHeader(page *ArtistPage) *ArtistPageHeader {
 		SizeName: theme.SizeNameHeadingText,
 	}
 	a.artistImage = widgets.NewImagePlaceholder(myTheme.ArtistIcon, 225)
-	a.artistImage.OnTapped = func() {
+	a.artistImage.OnTapped = func(*fyne.PointEvent) {
 		if im := a.artistImage.Image(); im != nil {
 			a.artistPage.contr.ShowPopUpImage(im)
 		}