Enhancements to finalize the OpenPeerReview oemetadata-v2

[Darynarli]

Summary of the discussion

Bulk updates für Open Peer Review oem v2 update

1. OPR progress bar from: https://github.com/OpenEnergyPlatform/oeplatform/pull/1386
2. Enhance visibility of empty fields
3. Enhance review options for resources property: schema.fields

Type of change (CHANGELOG.md)

Features

• Add a new functionality (#)

Changes

• Update existing functionality (#)

Bugs

• Fixed a problem with (#)

Removed

• Remove a broken link (#)

Documentation updates

• Updated documentation for (#)

Workflow checklist

Automation

Closes #2078

PR-Assignee

• [ ] 🐙 Follow the workflow in CONTRIBUTING.md
• [ ] 📝 Update the CHANGELOG.md
• [ ] 📙 Update the documentation on mkdocs

Reviewer

• [ ] 🐙 Follow the Reviewer Guidelines
• [ ] 🐙 Provided feedback and show sufficient appreciation for the work done