Achieve end to end channel buffer synchronization

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

crates/zed/src/main.rs

@@ -158,6 +158,7 @@ fn main() {
         outline::init(cx);
         project_symbols::init(cx);
         project_panel::init(Assets, cx);
+        channel::init(&client);
         diagnostics::init(cx);
         search::init(cx);
         semantic_index::init(fs.clone(), http.clone(), languages.clone(), cx);