Fix some inconsistency issues

[olivier-heurtier-sia]

Inconsistencies reviewed within the OSIA group on 26/11/2021:

• Make tequestData consistent between Enrollment and CMS
• Add an identityType in PR, similar to the encounterType in ABIS
• Use date-time format for all dates
• Align all definition of biometricData structure in all interfaces
• Use mimeType (uppercase 'T') in biographicData and documentData in all interfaces, and not format
• Use documentData instead of documents in PR
• Use scores and not scoreList for identity services in ABIS
• Fix implementation issues when an object has both fixed and additional properties