La Terminal: Mosh & SSH Client

* Add complete BiDi support for Arabic and Hebrew. * Extensive improvements and fixes for Korean, Thai, CJK, emoji and other bidirectional or complex text. * New Tmux Control mode: browse, switch, rename, and manage tmux sessions and windows directly from La Terminal. * Upload files to remote servers from the SFTP file browser. * Added confirmation before remote applications can request clipboard contents. * Customise which CPU, memory, disk, and network monitors appear for each host. * Improved command and snippet search, including keyboard navigation and focus handling. * Better handling of background disconnects and SSH host-key changes. * Better support for modern terminal applications, including OSC 133 shell integration, Kitty keyboard input, Kitty graphics, and synchronised output. * Improved mouse reporting, scrolling, text selection, drag behaviour, and touch interaction. * Fixed rendering issues affecting scrollback, cursor updates, resized terminals, translucent backgrounds, image deletion, and alternate-screen applications. * Improved VoiceOver and accessibility support. * Enhanced stability and performance in the Metal renderer, glyph cache, terminal buffer, hyperlink detection, local-process I/O, and network handling. * Modernised SSH and network handling, including an updated libssh2/OpenSSL stack, more resilient asynchronous socket I/O, improved connection error handling, and safer recovery from background disconnects. * Improved SSH host verification when servers offer different host-key algorithms, with clearer key-change details and an option to reset saved known hosts.