fix chrome tasks (#230)

* fix chrome

* fix: fix proxy setup

* feat&fix: add proxy support in setup and remove hardcoded proxy from example

* fix tasks

* fix chrome finished

* fix

* clean chrome_fix code

* clean chrome_fix code

---------

Co-authored-by: adlsdztony <zzl0712@connect.hku.hk>

evaluation_examples/examples/chrome/f0b971a1-6831-4b9b-a50e-22a6e47f45ba.json

@@ -1,7 +1,7 @@
 {
   "id": "f0b971a1-6831-4b9b-a50e-22a6e47f45ba",
   "snapshot": "chrome",
-  "instruction": "Show me the scores for the 2019 super bowl",
+  "instruction": "Please help me find the score record for the 2019 Super Bowl in the NFL website.",
   "source": "Mind2Web",
   "config": [
     {
@@ -62,7 +62,7 @@
       "type": "rule",
       "rules": {
         "type": "url",
-        "url": "https://www.nfl.com/scores/2019/POST4"
+        "url": "https://www.nfl.com/scores/2019/post4"
       }
     }
   },