fix: sourcemap issue #6807

[ianzone]

Checklist

• npm test passes. jest 总是把我电脑搞崩，16GB 内存都不够跑的
• benchmarks are included
• commit message follows commit guidelines
• documents are updated 无需更新

Description of change

主要是删除 tsconfig 中的 sourceRoot，这样生成的 map 文件的 sources 数组会是["../src/xxx.ts"]，从而能被 vite 正确加载

[hustcc]

@ianzone 把格式化相关的 diff 去掉吧，就合并掉了。

[coveralls]

Pull Request Test Coverage Report for Build 14874084757

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.006%) to 86.663%

---

Files with Coverage Reduction	New Missed Lines	%
src/mark/wordCloud.ts	2	82.35%

Totals
Change from base Build 14727561907:	-0.006%
Covered Lines:	10762
Relevant Lines:	12026

---

💛 - Coveralls

[hustcc]

还是保留 src 把，可能在某些环境，sourcemap 会依赖源码，见之前的 issue。