chore(controller): add env for gradio root when web service uses proxy

[jialeicui]

Description

Related to:

• 2924

Modules

• [ ] UI
• [x] Controller
• [ ] Agent
• [ ] Client
• [ ] Python-SDK
• [ ] Others

Checklist

• [ ] run code format and lint check
• [ ] add unit test
• [ ] add necessary doc

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4d2db61) 82.51% compared to head (c0bb2e5) 73.29%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2996 +/- ## ============================================ - Coverage 82.51% 73.29% -9.22% - Complexity 3111 3119 +8 ============================================ Files 563 436 -127 Lines 30353 15187 -15166 Branches 1826 1765 -61 ============================================ - Hits 25045 11132 -13913 + Misses 4503 3247 -1256 - Partials 805 808 +3 ``` | [Flag](https://app.codecov.io/gh/star-whale/starwhale/pull/2996/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | Coverage Δ | | |---|---|---| | [console](https://app.codecov.io/gh/star-whale/starwhale/pull/2996/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `?` | | | [controller](https://app.codecov.io/gh/star-whale/starwhale/pull/2996/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `73.29% <100.00%> (+0.02%)` | :arrow_up: | | [standalone](https://app.codecov.io/gh/star-whale/starwhale/pull/2996/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `?` | | | [unittests](https://app.codecov.io/gh/star-whale/starwhale/pull/2996/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `?` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale#carryforward-flags-in-the-pull-request-comment) to find out more.

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