fix(controller): the event request could not be deserialized

[jialeicui]

Description

Modules

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

Checklist

• [ ] run code format and lint check
• [x] 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 (807d59f) 82.60% compared to head (69db177) 73.35%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3091 +/- ## ============================================ - Coverage 82.60% 73.35% -9.26% Complexity 3182 3182 ============================================ Files 571 433 -138 Lines 31838 15625 -16213 Branches 1865 1804 -61 ============================================ - Hits 26301 11461 -14840 + Misses 4711 3341 -1370 + Partials 826 823 -3 ``` | [Flag](https://app.codecov.io/gh/star-whale/starwhale/pull/3091/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/3091/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/3091/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=star-whale) | `73.35% <ø> (+<0.01%)` | :arrow_up: | | [standalone](https://app.codecov.io/gh/star-whale/starwhale/pull/3091/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/3091/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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