fix(core): match explicitly requested hidden globs

[dbpolito]

Issue for this PR

Closes #32669

Type of change

• Bug fix
• New feature
• Refactor / code improvement
• Documentation

What does this PR do?

AI agents often try to glob explicitly requested hidden directories like .ai/*, .github/*, or src/.hidden/*, but those searches currently return no results because ripgrep is not run with --hidden.

This adds hidden-file scanning only when the glob pattern itself names a hidden path segment. Broad patterns like **/*.ts keep the existing behavior and still exclude hidden directories by default.

How did you verify your code works?

Tests added

Screenshots / recordings

Tests added

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

Potential duplicate found:

• PR fix(glob): include explicit dot directories #32866: fix(glob): include explicit dot directories
  • URL: fix(glob): include explicit dot directories #32866
  • Why it's related: This PR appears to address the same issue of handling explicitly requested hidden/dot directories in glob patterns. Both PRs likely deal with the same problem of making hidden directories accessible when explicitly requested in glob patterns rather than being filtered out by default.

[github-actions]

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