Merge pull request #4407 from peppy/fix-square-graph

Fix SquareGraph not correctly filling columns when loaded with a non-zero time

osu.Game/Screens/Play/SquareGraph.cs

@@ -242,7 +242,11 @@ private void load()
 
                 // Reverse drawableRows so when iterating through them they start at the bottom
                 drawableRows.Reverse();
+            }
 
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
                 fillActive();
             }