feat: Tmux control mode

[joexue]

Complete the unfinished tmux control mode functionalities for #336, includes:

• Fix the crash when enter the tmux control mode
• Fix press 'q' cannot quit the tmux control mode instantly
• Sync the tabs(tmux call it window), panels, split panels
• Sync the context, include maximum 2000 lines history, cursor
• Sync the window name
• Sync the tab/panel focus to back end
• Sync the window/panel size change to back end
• Focus on the window/panel when last time detach
• Prune the panels/windows when the back end quit them
• Spawn tab
• Split panel
• Tmux backwards compatibility

Passed all tests by "cargo test --all"
Updated the "cargo fmt --all"

Tested under tmux 3.4 and tmux 2.7

All the functionalities I planned are done, now I can use wezterm to replace iTerm2 completely. Universal terminal for all Windows, Linux and MacOS.

[jayPare]

Didn't looked at the code since I'm not very familiar with Wezterm code base, but I might take a quick look. However, I built from source on Windows and tested connecting to tmux 3.4 on a Linux machine. Everything seems to work properly. Thank you for that!

[joexue]

Didn't looked at the code since I'm not very familiar with Wezterm code base, but I might take a quick look. However, I built from source on Windows and tested connecting to tmux 3.4 on a Linux machine. Everything seems to work properly. Thank you for that!

Thanks for testing it, will push the last part tonight, then I think all functionalities are done.

[felixding]

Thank you for your work. AFAIK, this is the first full implementation of tmux control mode besides iTerm2. Really looking forward to it.