fix back button

Make it immune to the "do not hover if options visible" hack.
Make the states render it, not the options menu.

src/itdelatrisu/opsu/states/DownloadsMenu.java

@@ -537,7 +537,7 @@ public class DownloadsMenu extends ComplexOpsuState {
 			}
 			importThread = null;
 		}
-		backButton.hoverUpdate(delta, mouseX, mouseY);
+		backButton.hoverUpdate();
 		prevPage.hoverUpdate(delta, mouseX, mouseY);
 		nextPage.hoverUpdate(delta, mouseX, mouseY);
 		clearButton.hoverUpdate(delta, mouseX, mouseY);

src/itdelatrisu/opsu/states/Game.java

@@ -717,6 +717,9 @@ public class Game extends ComplexOpsuState {
 
 		if (OPTION_DANCE_ENABLE_SB.state) {
 			optionsOverlay.render(g);
+			if (optionsOverlay.isActive()) {
+				backButton.draw(g);
+			}
 		}
 
 		UI.draw(g);
@@ -728,6 +731,9 @@ public class Game extends ComplexOpsuState {
 		
 		if (OPTION_DANCE_ENABLE_SB.state) {
 			optionsOverlay.preRenderUpdate();
+			if (optionsOverlay.isActive()) {
+				backButton.hoverUpdate();
+			}
 		}
 
 		int delta = renderDelta;

src/itdelatrisu/opsu/states/GameRanking.java

@@ -107,7 +107,7 @@ public class GameRanking extends BaseOpsuState {
 		} else {
 			MusicController.loopTrackIfEnded(true);
 		}
-		backButton.hoverUpdate(delta, mouseX, mouseY);
+		backButton.hoverUpdate();
 	}
 
 	@Override

src/itdelatrisu/opsu/states/MainMenu.java

@@ -481,6 +481,9 @@ public class MainMenu extends BaseOpsuState {
 	@Override
 	public void preRenderUpdate() {
 		optionsOverlay.preRenderUpdate();
+		if (optionsOverlay.isActive()) {
+			backButton.hoverUpdate();
+		}
 
 		int delta = renderDelta;
 		

src/itdelatrisu/opsu/states/SongMenu.java

@@ -689,10 +689,10 @@ public class SongMenu extends ComplexOpsuState {
 
 			UI.drawLoadingProgress(g);
 		} else {
+			optionsOverlay.render(g);
 			backButton.draw(g);
 		}
 
-		optionsOverlay.render(g);
 
 		UI.draw(g);
 
@@ -729,7 +729,7 @@ public class SongMenu extends ComplexOpsuState {
 				MusicController.playThemeSong(config.themeBeatmap);
 			reloadThread = null;
 		}
-		backButton.hoverUpdate(delta, mouseX, mouseY);
+		backButton.hoverUpdate();
 		selectModsButton.hoverUpdate(delta, mouseX, mouseY);
 		selectRandomButton.hoverUpdate(delta, mouseX, mouseY);
 		selectMapOptionsButton.hoverUpdate(delta, mouseX, mouseY);