Fix dev server projects reconnect (#13484)

Release Notes:

- Improved handling of client reconnects for dev-servers (alpha group
only)

crates/collab/src/tests/dev_server_tests.rs

@@ -504,6 +504,29 @@ async fn test_dev_server_reconnect(
         .unwrap();
 }
 
+#[gpui::test]
+async fn test_dev_server_restart(cx1: &mut gpui::TestAppContext, cx2: &mut gpui::TestAppContext) {
+    let (server, client1) = TestServer::start1(cx1).await;
+
+    let (_dev_server, remote_workspace) =
+        create_dev_server_project(&server, client1.app_state.clone(), cx1, cx2).await;
+    let cx = VisualTestContext::from_window(remote_workspace.into(), cx1).as_mut();
+
+    server.reset().await;
+    cx.run_until_parked();
+
+    cx.simulate_keystrokes("cmd-p 1 enter");
+    remote_workspace
+        .update(cx, |ws, cx| {
+            ws.active_item_as::<Editor>(cx)
+                .unwrap()
+                .update(cx, |ed, cx| {
+                    assert_eq!(ed.text(cx).to_string(), "remote\nremote\nremote");
+                })
+        })
+        .unwrap();
+}
+
 #[gpui::test]
 async fn test_create_dev_server_project_path_validation(
     cx1: &mut gpui::TestAppContext,