enhance: rebase move up/down with arrow keys

Author: NathanBaulch

src/Views/InteractiveRebase.axaml.cs

@@ -58,6 +58,16 @@ protected override void OnKeyDown(KeyEventArgs e)
                 vm.ChangeAction(item, Models.InteractiveRebaseAction.Drop);
                 e.Handled = true;
             }
+            else if (e.Key == Key.Up)
+            {
+                vm.MoveItemUp(item);
+                e.Handled = true;
+            }
+            else if (e.Key == Key.Down)
+            {
+                vm.MoveItemDown(item);
+                e.Handled = true;
+            }
             else
             {
                 base.OnKeyDown(e);