WIP: refacto: 263 flatten the json format used by the frontend

https://issues.unige.ch/browse/AOU-263

Pending backend to finalize

Need to test error mapping

src/app/features/deposit/components/presentationals/deposit-form/deposit-form.presentational.html

@@ -10,7 +10,7 @@
                                     #depositTypePresentational
                                     [isCreation]="model | isNullOrUndefined"
                                     [isImported]="isImported"
-                                    [mainFormGroup]="form"
+                                    [form]="form"
                                     [listDepositSubtype]="listDepositSubtype"
                                     [listDepositSubSubtype]="listDepositSubSubtype"
                                     [listLanguages]="listLanguages"
@@ -27,8 +27,7 @@
   <ng-template [ngIf]="step === depositStepEnum.CONTRIBUTORS">
     <aou-deposit-form-third-step-contributors *ngIf="model | isNotNullNorUndefined"
                                               #depositContributorsPresentational
-                                              [mainFormGroup]="form"
-                                              [subModel]="depositFormModel?.contributors"
+                                              [form]="form"
                                               [listStructure]="listStructure"
                                               [defaultData]="defaultData"
                                               [isLoadingStructure]="isLoadingStructure"
@@ -39,7 +38,7 @@
   <ng-template [ngIf]="step === depositStepEnum.DESCRIPTION">
     <aou-deposit-form-fourth-step-description *ngIf="model | isNotNullNorUndefined"
                                               #depositDescriptionPresentational
-                                              [mainFormGroup]="form"
+                                              [form]="form"
                                               [listLanguages]="listLanguages"
     ></aou-deposit-form-fourth-step-description>
   </ng-template>