v2.3.1

🐛 Réparation de bug

• historique-et-date: update display
• gouvernance: update checker for mandatePhonenumber
• bulk-import: change from export csv to xlsx and display link only if not relations
• regexpForIdentifiers: update orcid regexp
• checkers-persons: checker no longer show warning if firstname appears multiple time in import file
• identifiers: add link for researchgate identifiers
• official-text-form: update error message for jorftext
• identifiers: add piaweb for structure and projects id
• official-text-form: update error display
• directory: Typo
• names: update name display