SSH remote ui (#15129)

Still TODO:
* [x] hide this UI unless you have some ssh projects in settings
* [x] add the "open folder" flow with the new open picker
* [ ] integrate with recent projects / workspace restoration

Release Notes:

- N/A

crates/vim/src/vim.rs

@@ -1057,9 +1057,6 @@ pub enum UseSystemClipboard {
 
 #[derive(Deserialize)]
 struct VimSettings {
-    // all vim uses vim clipboard
-    // vim always uses system cliupbaord
-    // some magic where yy is system and dd is not.
     pub use_system_clipboard: UseSystemClipboard,
     pub use_multiline_find: bool,
     pub use_smartcase_find: bool,