[gnome-games] collection-icon-view: Add invalidate_flow_box_filter()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 9a86508119bf0b9b370d1a0be7dfcacb936ff9de
Author: Yetizone <andreii lisita gmail com>
Date:   Mon Dec 31 12:23:49 2018 +0200

    collection-icon-view: Add invalidate_flow_box_filter()
    
    Needed for the next commit

 src/ui/collection-icon-view.vala | 4 ++++
 src/ui/sidebar-view.vala         | 1 +
 2 files changed, 5 insertions(+)
---
diff --git a/src/ui/collection-icon-view.vala b/src/ui/collection-icon-view.vala
index 7029a2f2..8ec9ed7d 100644
--- a/src/ui/collection-icon-view.vala
+++ b/src/ui/collection-icon-view.vala
@@ -167,6 +167,10 @@ private class Games.CollectionIconView : Gtk.Bin {
                flow_box.unselect_all ();
        }
 
+       public void invalidate_flow_box_filter () {
+               flow_box.invalidate_filter ();
+       }
+
        [GtkCallback]
        private bool on_gamepad_browse (Gtk.DirectionType direction) {
                if (!has_game_selected ())
diff --git a/src/ui/sidebar-view.vala b/src/ui/sidebar-view.vala
index 7307ddb7..202c1433 100644
--- a/src/ui/sidebar-view.vala
+++ b/src/ui/sidebar-view.vala
@@ -173,6 +173,7 @@ private abstract class Games.SidebarView : Gtk.Box {
                list_box.select_row (row_item);
                row_item.focus (Gtk.DirectionType.LEFT);
                invalidate (row_item);
+               collection_view.invalidate_flow_box_filter ();
                collection_view.reset_scroll_position ();
                collection_view.unselect_game ();
        }