Finish loading the vscode examples v1; Improve on the infra: Add accessibility tree into the observation; Add activate window function, etc

evaluation_examples/examples/vs_code/0ed39f63-6049-43d4-ba4d-5fa2fe04a951.json

@@ -1,7 +1,7 @@
 {
   "id": "0ed39f63-6049-43d4-ba4d-5fa2fe04a951",
   "snapshot": "vscode",
-  "instruction": "Could you help me find and replace \"text\" with \"test\" in this file?",
+  "instruction": "Please change all the places that say \"text\" to \"test\" in this document for me.",
   "source": "https://www.quora.com/How-do-you-find-and-replace-text-in-Visual-Studio-Code",
   "config": [
     {
@@ -20,6 +20,12 @@
       "parameters": {
         "command": ["code", "Desktop/vscode_replace_text.txt"]
       }
+    },
+    {
+      "type": "activate_window",
+      "parameters": {
+        "window_name": "Visual Studio Code"
+      }
     }
   ],
   "trajectory": "trajectories/0ed39f63-6049-43d4-ba4d-5fa2fe04a951",