fix(menu.py): Fix off-by-one error

Signed-off-by: Rahix <rahix@rahix.de>

preload/menu.py

@@ -61,7 +61,7 @@ def draw_menu(disp, applist, idx, offset):
             bg=COLOR1 if i % 2 == 0 else COLOR2,
         )
 
-    disp.print(">", posy=20, fg=color.COMMYELLOW, bg=COLOR1 if idx % 2 == 0 else COLOR2)
+    disp.print(">", posy=20, fg=color.COMMYELLOW, bg=COLOR2 if idx % 2 == 0 else COLOR1)
     disp.update()