fix: cannot reading noEmitAssets

[faga295]

Related issue (if exists)

I fix it by always getting the first compiler's noEmitAssets

Summary

#2929

🤖 Generated by Copilot at 5897bda

Refactor server.ts to access noEmitAssets option from the first compiler and remove @ts-expect-error. This improves type safety and supports the new webpack feature.

Walkthrough

🤖 Generated by Copilot at 5897bda

• Refactor code to access noEmitAssets option from first compiler and avoid @ts-expect-error (link)

[changeset-bot]

🦋 Changeset detected

Latest commit: e7039ed

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages

Name	Type
@rspack/dev-server	Patch
@rspack/cli	Patch
benchmarkcase-rspack-react-refresh	Patch
@rspack/postcss-loader	Patch
@rspack/dev-client	Patch
@rspack/dev-middleware	Patch
@rspack/plugin-html	Patch
@rspack/plugin-minify	Patch
@rspack/plugin-node-polyfill	Patch
@rspack/core	Patch
@rspack/binding-darwin-arm64	Patch
@rspack/binding-darwin-x64	Patch
@rspack/binding-linux-x64-gnu	Patch
@rspack/binding-win32-x64-msvc	Patch
@rspack/binding	Patch
@rspack/fs	Patch
webpack-test	Patch

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[hyf0]

LGTM. Thank you!