Ready for iOS 27

Version 2.7.0 addresses a usability issue when running with iOS 27 and includes some other small fixes. The main changes:

• The spotlight buttons react faster to the initial touch when running with iOS 27.
• A layout issue has been resolved when viewing the leaderboards on an iPhone in landscape orientation.
• An issue with jittery scrolling has been resolved when viewing the performance analysis for the puzzle generator on an iPhone in landscape orientation.