feat: search contributors on their other names as well and return a display...

...va/ch/unige/aou/business/ContributorOtherNameService.java

...c/main/java/ch/unige/aou/business/ContributorService.java

.../main/java/ch/unige/aou/business/DocumentFileService.java

.../main/java/ch/unige/aou/business/NotificationService.java

...c/main/java/ch/unige/aou/business/PublicationService.java

.../aou/controller/admin/ContributorOtherNameController.java

...ch/unige/aou/controller/admin/ContributorsController.java

...ch/unige/aou/controller/admin/DocumentFileController.java

.../ch/unige/aou/controller/admin/PublicationController.java

.../unige/aou/repository/ContributorOtherNameRepository.java

...n/src/main/java/ch/unige/aou/service/MetadataService.java

...java/ch/unige/aou/service/metadata/MetadataExtractor.java

...va/ch/unige/aou/service/metadata/MetadataExtractorV1.java

...va/ch/unige/aou/service/metadata/MetadataExtractorV2.java

.../unige/aou/service/metadata/MetadataValidatorService.java

...a/ch/unige/aou/service/rest/UnigePersonSearchService.java

.../test/java/ch/unige/aou/test/MetadataExtractorV1Test.java

.../test/java/ch/unige/aou/test/MetadataExtractorV2Test.java

AoU-Admin/src/test/java/ch/unige/aou/test/MetadataTest.java

.../src/test/java/ch/unige/aou/test/MetadataUpgradeTest.java