Fixed crash-on-initial-launch on devices running iOS 17 and earlier

Improve compatibility

Fix compatibility with GSConnect

- Add modifiers to the remote keyboard plugin - Added in-app notification view - Verification key now changes every second (only if both devices support it)

Fixed some crashes.

- Display file transfer progress and other improvements to file transfers - Allow presenter to control mouse remotely - Improve discovery of devices - Many bugfixes and internal rewrites

Performance improvements & bug fixes

- You can now transfer large files without crashing the app or causing the app to become unresponsive (!82 by Apollo Zhu, reviewed by Han Young) - Add keyboard support as a part of remote input (!76 by Han Young, reviewed by Apollo Zhu) - Now sends original HEIC images instead of jpg/png when possible (!52 by Apollo Zhu) ## Improve compatibility with iOS 16 - Fix device name only showing as "iPhone" or iPad on iOS 16 (!81 by Apollo Zhu) - Fix crash on iOS 16 when pressing "Enter" key in "Add Devices by IP" while some text fields are empty (!75 by Apollo Zhu, reviewed by Ruixuan Tu) - Fix crash on iOS 16 when there are other KDE Connect compatible devices present (!74 by Apollo Zhu, reviewed by Ruixuan Tu) - Fix incorrect battery status color on iOS 16 (!77 by Apollo Zhu) ## Better support for iPad - Improve layout on iPad (!45 by Apollo Zhu) - Tab bar on iPad and other wide screen devices now have consistent background (!72 by Ruixuan Tu, reviewed by Apollo Zhu) ## Misc - Update features list and discovery help based on feedback (!63, !65, !66 by Apollo Zhu) - Fix missing remote device certificate after pairing in some rare circumstances (!50 by Apollo Zhu, reviewed by Lucas Wang) - Fix inconsistent device certificate caused by incorrect keychain access group (!70 by Apollo Zhu) - Fix crashing on launch for Macs with Apple Silicon (!83 by Apollo Zhu, reviewed by Ruixuan Tu) - Code cleanup and refactoring (!60, !71 by Claudio Cambra, reviewed by Apollo Zhu; !40, !49, !68, !69 by Apollo Zhu)

- Allows alerts to be queued instead of discarded when other alerts are already present (!42 by Stefan Kowalczyk through Season of KDE, reviewed by Apollo Zhu and Lucas Wang) - Fix "time-out" issues when pairing with Ubuntu 20.04 LTS and Linux distributions based on it (!64 by Apollo Zhu, reviewed by Lucas Wang (and Philip Cohn-Cort)) - Fix crash on pair with outdated GSConnect clients (!48 by Apollo Zhu, reviewed by Lucas Wang) - Fix saved devices not shown until a device becomes reachable with KDE Connect (!47 by Apollo Zhu, reviewed by Lucas Wang) - Automatically focus on text fields to improve user experience (!62 by Apollo Zhu, reviewed by Lucas Wang)