fix: update browser cache handling in website proxy service

[HynoR]

• Adjusted cache time condition to allow for negative values, introducing a no-cache option.
• Updated TypeScript interface to specify browser cache options as 'enable', 'disable', or 'noModify' for better clarity.

What this PR does / why we need it?

修复某个pr导致的浏览器缓存参数不符合原有预期情况
浏览器缓存选择禁用会导致cache -1

Summary of your change

修复 浏览器缓存 不修改缓存头/禁用缓存（重写no-cache)/ 写入缓存的三个模式

Please indicate you've done the following:

• Made sure tests are passing and test coverage is added if needed.
• Made sure commit message follow the rule of Conventional Commits specification.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed.

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