Move git status out of Entry (#22224)

- [x] Rewrite worktree git handling
- [x] Fix tests
- [x] Fix `test_propagate_statuses_for_repos_under_project`
- [x] Replace `WorkDirectoryEntry` with `WorkDirectory` in
`RepositoryEntry`
- [x] Add a worktree event for capturing git status changes
- [x] Confirm that the local repositories are correctly updating the new
WorkDirectory field
- [x] Implement the git statuses query as a join when pulling entries
out of worktree
- [x] Use this new join to implement the project panel and outline
panel.
- [x] Synchronize git statuses over the wire for collab and remote dev
(use the existing `worktree_repository_statuses` table, adjust as
needed)
- [x] Only send changed statuses to collab

Release Notes:

- N/A

---------

Co-authored-by: Cole Miller <cole@zed.dev>
Co-authored-by: Mikayla <mikayla@zed.com>
Co-authored-by: Nathan <nathan@zed.dev>

crates/assistant/src/assistant_panel.rs

@@ -122,7 +122,7 @@ pub fn init(cx: &mut AppContext) {
     cx.observe_new_views(
         |terminal_panel: &mut TerminalPanel, cx: &mut ViewContext<TerminalPanel>| {
             let settings = AssistantSettings::get_global(cx);
-            terminal_panel.asssistant_enabled(settings.enabled, cx);
+            terminal_panel.set_assistant_enabled(settings.enabled, cx);
         },
     )
     .detach();