Fixed MenuButton expand directions. (blame: 474b407, #214)

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/ui/MenuButton.java

@@ -239,8 +239,10 @@ public class MenuButton {
 					if (scale.getValue() != 1f) {
 						image = image.getScaledCopy(scale.getValue());
 						image.setAlpha(oldAlpha);
+						if (scaleOverride != 1f) {
 							xScaleOffset = image.getWidth() / 2f - xRadius;
 							yScaleOffset = image.getHeight() / 2f - yRadius;
+						}
 						lastScale *= scale.getValue();
 					}
 				}