fix(deposit): [DLCM-2613] approver can reject its own deposit

https://issues.unige.ch/browse/DLCM-2613

src/app/features/deposit/components/routables/deposit-detail-edit/deposit-detail-edit.routable.ts

@@ -343,7 +343,7 @@ export class DepositDetailEditRoutable extends AbstractDetailEditRoutable<Deposi
       icon: IconNameEnum.unapprove,
       displayCondition: current => !this.isEdit && this.canDoValidationActions,
       callback: () => this._reject(),
-      disableCondition: current => isNullOrUndefined(current),
+      disableCondition: current => isNullOrUndefined(current) || (this._isDepositOfCurrentUser(current) && !this._securityService.isRootOrAdmin()),
       labelToTranslate: (current) => LabelTranslateEnum.reject,
       typeButton: "flat-button",
       order: 53,