K-9 Mail v6.306

What's Changed

• Added a monochromatic app icon for Android 13 (@Sandelinos)
• Changed the UI component used for the message list; now changes to the list will be animated (@cketti)
• Removed the volume key navigation for list views because it doesn't play nice with the above change (@cketti)
• Fixed a bug that lead to the search input field being focused on app start on some devices (@cketti)
• Restored the previous behavior of "show next message after delete" (@cketti)
• A lot of internal changes and some minor performance improvements (@cketti)

New Contributors

• @Sandelinos made their first contribution in #6307

Full Changelog: 6.305...6.306