Make FilterControl not scroll with the panels

osu.Game/Overlays/Direct/FilterControl.cs

@@ -21,6 +21,8 @@ namespace osu.Game.Overlays.Direct
 {
     public class FilterControl : Container
     {
+        public static readonly float HEIGHT = 35 + 32 + 30 + padding * 2; // search + mode toggle buttons + sort tabs + padding
+
         /// <summary>
         /// The height of the content below the filter control (tab strip + result count text).
         /// </summary>
@@ -50,7 +52,7 @@ namespace osu.Game.Overlays.Direct
         public FilterControl()
         {
             RelativeSizeAxes = Axes.X;
-            Height = 35 + 32 + 30 + padding * 2; // search + mode toggle buttons + sort tabs + padding
+            Height = HEIGHT;
             DisplayStyle.Value = PanelDisplayStyle.Grid;
 
             Children = new Drawable[]

osu.Game/Overlays/DirectOverlay.cs

@@ -77,24 +77,18 @@ namespace osu.Game.Overlays
                         },
                     },
                 },
-                new ScrollContainer
+                new Container
                 {
                     RelativeSizeAxes = Axes.Both,
-                    ScrollDraggerVisible = false,
-                    Padding = new MarginPadding { Top = Header.HEIGHT },
-                    Children = new Drawable[]
+                    Padding = new MarginPadding { Top = Header.HEIGHT + FilterControl.HEIGHT },
+                    Children = new[]
                     {
-                        new ReverseDepthFillFlowContainer<Drawable>
+                        new ScrollContainer
                         {
-                            RelativeSizeAxes = Axes.X,
-                            AutoSizeAxes = Axes.Y,
-                            Direction = FillDirection.Vertical,
+                            RelativeSizeAxes = Axes.Both,
+                            ScrollDraggerVisible = false,
                             Children = new Drawable[]
                             {
-                                filter = new FilterControl
-                                {
-                                    RelativeSizeAxes = Axes.X,
-                                },
                                 panels = new FillFlowContainer<DirectPanel>
                                 {
                                     RelativeSizeAxes = Axes.X,
@@ -106,6 +100,11 @@ namespace osu.Game.Overlays
                         },
                     },
                 },
+                filter = new FilterControl
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Margin = new MarginPadding { Top = Header.HEIGHT },
+                },
                 header = new Header
                 {
                     RelativeSizeAxes = Axes.X,