Too many event use calls

Author: StanleyGoldman

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/TreeControl.cs

@@ -190,13 +190,11 @@ public void Focus()
                 {
                     SelectedNode = Nodes[Nodes.Count - 1];
                     selectionChanged = true;
-                    Event.current.Use();
                 }
                 else if (directionY > 0 || directionX > 0)
                 {
                     SelectedNode = Nodes[0];
                     selectionChanged = true;
-                    Event.current.Use();
                 }
             }
             RequiresRepaint = selectionChanged;
@@ -302,7 +300,6 @@ private int SelectNext(int index, bool foldersOnly)
             if (index < Nodes.Count)
             {
                 SelectedNode = Nodes[index];
-                Event.current.Use();
             }
             else
             {
@@ -325,7 +322,6 @@ private int SelectPrevious(int index, bool foldersOnly)
             if (index >= 0)
             {
                 SelectedNode = Nodes[index];
-                Event.current.Use();
             }
             else
             {