Core: Quiet change-detection regex warning and swap clear icon

[valentinpalkovic]

Summary

• Demote the regex-alias log in ResolverFactory from logger.warn to logger.debug so it no longer surfaces in the default terminal output.
• Replace SweepIcon with CloseIcon next to the "Reviewing … stories" CTA in the sidebar so the clear button reads as an x.

Test plan

• Start yarn storybook:ui, enable change detection, confirm the clear button shows an x icon and no longer the sweep icon.
• Run a sandbox that triggers regex aliases; verify the Change detection: ignored … line only appears when DEBUG logging is enabled.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Style
  • Updated the icon for the "Clear" action in the review changes interface.

[github-actions]

	Fails
🚫	PR description is missing the mandatory "#### Manual testing" section. Please add it so that reviewers know how to manually test your changes.

Generated by 🚫 dangerJS against f003ca4

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: ad47983f-e9a7-4ee8-9175-427ea85fcb39

📥 Commits

Reviewing files that changed from the base of the PR and between 4fd4885 and f003ca4.

📒 Files selected for processing (2)

• code/core/src/core-server/change-detection/dependency-graph/ResolverFactory.ts
• code/core/src/manager/components/sidebar/ReviewChangesButton.tsx

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📝 Walkthrough

Walkthrough

Two independent changes: resolver dependency analysis downgrades regex alias logging to debug level, and the ReviewChangesButton component swaps its "Clear" action icon from SweepIcon to CloseIcon.

Changes

Logging and UI Icon Updates

Layer / File(s)	Summary
Resolver Alias Logging Level code/core/src/core-server/change-detection/dependency-graph/ResolverFactory.ts	AliasNormalizer.normalize emits the "ignored regex alias(es)" message at debug level instead of warn level.
ReviewChangesButton Icon code/core/src/manager/components/sidebar/ReviewChangesButton.tsx	Icon import and button render updated to use CloseIcon instead of SweepIcon for the "Clear" action.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

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