Description of the issue

Bulk updates für Open Peer Review oem v2 update

• Add grouped metadata fields for (see older draft implementation):
  • summary page
  • fields
• FIX OPR progress bar from: Opr show review progress to the user #1386 and add to code to new PR
• Enhance visibility of empty fields (keep clickable, see example below)
• Fix [OPR] Show review progress to the user #1247
• Enhance review options for resources property: schema.fields
  • Show fields in readable list / group infos which belong to a field
  • Show isAbout and valueReference info
  • Try to make the grouping look nice using bootstrap accordion feature
  • If it is not good remove completely from review fields
  • Grouping issue is similar to first point in this list

Ideas of solution

Empty fields

• keep clickable
• add text overlay ontop of field
  Example:

Workflow checklist

• I am aware of the workflow in CONTRIBUTING.md