remove newlines before displaying playlist descriptions

ui/browsing/playlistpage.go

@@ -446,10 +446,9 @@ func (a *PlaylistPageHeader) Update(playlist *mediaprovider.PlaylistWithTracks)
 	a.playlistInfo = playlist
 	a.editButton.Hidden = playlist.Owner != a.page.sm.LoggedInUser
 	a.titleLabel.Segments[0].(*widget.TextSegment).Text = playlist.Name
-	a.descriptionLabel.SetText(playlist.Description)
+	a.descriptionLabel.SetText(strings.ReplaceAll(playlist.Description, "\n", " "))
 	a.ownerLabel.SetText(a.formatPlaylistOwnerStr(playlist))
 	a.trackTimeLabel.SetText(a.formatPlaylistTrackTimeStr(playlist))
-	a.createdAtLabel.SetText("created at TODO")
 
 	var haveCover bool
 	if playlist.CoverArtID != "" {

ui/browsing/playlistspage.go

@@ -365,7 +365,7 @@ func NewPlaylistList(initialSort widgets.ListHeaderSort) *PlaylistList {
 				row.ListItemID = id
 				row.PlaylistID = a.playlists[id].ID
 				row.nameLabel.Text = a.playlists[id].Name
-				row.descrptionLabel.Text = a.playlists[id].Description
+				row.descrptionLabel.Text = strings.ReplaceAll(a.playlists[id].Description, "\n", " ")
 				row.ownerLabel.Text = a.playlists[id].Owner
 				row.trackCountLabel.Text = strconv.Itoa(a.playlists[id].TrackCount)
 				row.Refresh()