Build: Fix type issues

[yannbf]

Closes #

What I did

This PR fixes the check issues which should bring CI back to green.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

• Make sure this PR contains one of the labels below:

  Available labels

  • bug: Internal changes that fixes incorrect behavior.
  • maintenance: User-facing maintenance tasks.
  • dependencies: Upgrading (sometimes downgrading) dependencies.
  • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
  • cleanup: Minor cleanup style change. Will not show up in release changelog.
  • documentation: Documentation only changes. Will not show up in release changelog.
  • feature request: Introducing a new feature.
  • BREAKING CHANGE: Changes that break compatibility in some way with current major version.
  • other: Changes that don't fit in the above categories.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook canary-release-pr.yml --field pr=<PR_NUMBER>

name	before	after	diff	z	%
createSize	0 B	0 B	0 B	-	-
generateSize	78.2 MB	78.2 MB	0 B	1.41	0%
initSize	143 MB	143 MB	14 B	1.41	0%
diffSize	65.1 MB	65.1 MB	14 B	0.99	0%
buildSize	6.88 MB	6.88 MB	14 B	0.94	0%
buildSbAddonsSize	1.51 MB	1.51 MB	14 B	Infinity	0%
buildSbCommonSize	195 kB	195 kB	0 B	-	0%
buildSbManagerSize	1.9 MB	1.9 MB	0 B	0.91	0%
buildSbPreviewSize	271 kB	271 kB	0 B	-	0%
buildStaticSize	0 B	0 B	0 B	-	-
buildPrebuildSize	3.88 MB	3.88 MB	14 B	0.95	0%
buildPreviewSize	3 MB	3 MB	0 B	0.9	0%
testBuildSize	0 B	0 B	0 B	-	-
testBuildSbAddonsSize	0 B	0 B	0 B	-	-
testBuildSbCommonSize	0 B	0 B	0 B	-	-
testBuildSbManagerSize	0 B	0 B	0 B	-	-
testBuildSbPreviewSize	0 B	0 B	0 B	-	-
testBuildStaticSize	0 B	0 B	0 B	-	-
testBuildPrebuildSize	0 B	0 B	0 B	-	-
testBuildPreviewSize	0 B	0 B	0 B	-	-

name	before	after	diff	z	%
createTime	7.2s	23s	15.7s	1.48	🔺68.5%
generateTime	20.1s	21.1s	969ms	-0.19	4.6%
initTime	14.1s	15s	943ms	-0.02	6.2%
buildTime	9.1s	9s	-171ms	-0.04	-1.9%
testBuildTime	0ms	0ms	0ms	-	-
devPreviewResponsive	6.8s	6.1s	-727ms	0.01	-11.9%
devManagerResponsive	4s	3.6s	-414ms	-0.38	-11.4%
devManagerHeaderVisible	592ms	635ms	43ms	0.36	6.8%
devManagerIndexVisible	625ms	673ms	48ms	0.19	7.1%
devStoryVisibleUncached	1.2s	1.1s	-64ms	0.51	-5.4%
devStoryVisible	624ms	671ms	47ms	0.23	7%
devAutodocsVisible	586ms	601ms	15ms	0.57	2.5%
devMDXVisible	512ms	488ms	-24ms	-0.51	-4.9%
buildManagerHeaderVisible	618ms	627ms	9ms	0.45	1.4%
buildManagerIndexVisible	634ms	638ms	4ms	0.38	0.6%
buildStoryVisible	617ms	626ms	9ms	0.45	1.4%
buildAutodocsVisible	502ms	432ms	-70ms	-0.57	-16.2%
buildMDXVisible	509ms	511ms	2ms	0.41	0.4%

Greptile Summary

This PR focuses on improving TypeScript type safety and fixing type-related issues across multiple components in the Storybook codebase.

• Added .flat() to array spread operations in Tool.tsx components for both backgrounds and viewport addons
• Fixed type annotations in viewport addon's Tool.tsx, particularly around PureProps interface
• Enhanced type safety in scripts/prepare/tools.ts by properly defining PackageJson type with required fields
• Improved type definitions for array handling in tooltip link lists
• Removed usage of any types where possible to strengthen type checking

[greptile-apps]

LGTM

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