Refactor LSP restart logic

Instead of storing `initialization_options` in every LSP adapter as
before, store previous LSP settings in `Project` entirely.

This way, we can later have use multiple different project
configurations per single LSP with its associated adapter.

co-authored-by: Max Brunsfeld <max@zed.dev>

crates/terminal_view/src/terminal_view.rs

@@ -907,6 +907,7 @@ mod tests {
         let params = cx.update(AppState::test);
         cx.update(|cx| {
             theme::init((), cx);
+            Project::init_settings(cx);
             language::init(cx);
         });