Small UI fixes and layout improvements for macOS Tahoe. And an Apple Silicon app build (finally :)).

1) Fix some UI glitches and small UI layout problems on macOS Tahoe, while ensuring the UI remains clean on older macOS’s.

2) Update the app’s icon for macOS Tahoe (use rounded corners).

3) Create a universal app build; this app now runs natively on both Apple Silicon and Intel Mac’s. As a result, calculation now runs about 40% faster on Apple Silicon Mac’s.

4) Make the app’s license validation check more robust and less error prone.

=== Previous Update Version 17.2.1 ===
* Fix an “App license validation failed” error that some customers are getting on app launch after updating to macOS 15.4.

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-RJ, PokerCruncher, LLC