chg: otp-2720: Show WesFastQC workflow detail

Closes otp-2720

Summary by CodeRabbit

• New Features

  • Added a "Report" column with links to view WES run HTML reports; step rows now expand when WES runs or cluster jobs exist.
  • New endpoint to fetch and render WES run reports with proper 404/403 handling.

• Bug Fixes

  • Consolidated external job status to prioritize WES runs and show status indicators only when meaningful.
  • Views now safely handle missing WES run logs and display “NA”.

• Chores

  • Reduced repeated DOM queries for better performance; demo data uses zoned timestamps; added a validation message.

• Tests

  • Added controller and service tests covering report retrieval, file access errors, and status resolution.

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