qml: fix colors

modules/gui/qt/medialibrary/qml/MusicAlbumsGridExpandDelegate.qml

@@ -237,6 +237,8 @@ FocusScope {
 
                             text: Helpers.get(root.model, "title", I18n.qtr("Unknown title"))
 
+                            color: theme.fg.primary
+
                             Layout.fillWidth: true
                         }
 
@@ -254,6 +256,8 @@ FocusScope {
                     Widgets.CaptionLabel {
                         id: expand_infos_subtitle_id
 
+                        color: theme.fg.secondary
+
                         width: parent.width
                         text: I18n.qtr("%1 - %2 - %3 - %4")
                             .arg(Helpers.get(root.model, "main_artist", I18n.qtr("Unknown artist")))