🐛 fix(path): Remove filter to remove hidden files

[rajeshgangireddy]

📝 Description

• 🛠️ Fixes [Bug]: Files with a "." in their directory path can't be used as dataset folders #2488
  This PR removes the filter to exclude hidden files/directories while creating a dataset. Additionally, warning message is added if dataset contains images or masks from hidden paths.
  The filter was added a while ago but is not required anymore.

✨ Changes

Select what type of change your PR is:

• 🚀 New feature (non-breaking change which adds functionality)
• 🐞 Bug fix (non-breaking change which fixes an issue)
• 🔄 Refactor (non-breaking change which refactors the code base)
• ⚡ Performance improvements
• 🎨 Style changes (code style/formatting)
• 🧪 Tests (adding/modifying tests)
• 📚 Documentation update
• 📦 Build system changes
• 🚧 CI/CD configuration
• 🔧 Chore (general maintenance)
• 🔒 Security update
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)

✅ Checklist

Before you submit your pull request, please make sure you have completed the following steps:

• 📚 I have made the necessary updates to the documentation (if applicable).
• 🧪 I have written tests that support my changes and prove that my fix is effective or my feature works (if applicable).
• 🏷️ My PR title follows conventional commit format.

For more information about code review checklists, see the Code Review Checklist.

[rajeshgangireddy]

[terrarier2111]

Thank you so much for this, this massively simplifies my use case of anomalib :)

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

❌ Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/anomalib/data/utils/path.py	83.33%	1 Missing ⚠️

📢 Thoughts on this report? Let us know!