Added phonetic contact search, context menus, and call history deletion
- Added Chinese Pinyin phonetic matching and section indexing for contacts.
- Added context action menus and keyboard shortcut support for contacts, call history items, and speed dial tiles.
- Added call log deletion and enhanced contact deletion with confirmation dialogs.
- Added an "Answer on the Right" setting to swap incoming call slider directions.
- Added long-press actions to copy phone numbers and contact details to the clipboard.