fix(portal): deposit data file

fix bug when trying to upload a file of Category `Package` and Type `CustomMetadata` in a new deposit, the list of Metadata Types cannot be loaded.

src/app/features/deposit/stores/data-file/deposit-data-file.state.ts

@@ -43,6 +43,7 @@ import {
   CompositionState,
   CompositionStateModel,
   defaultCompositionStateInitValue,
+  defaultResourceStateInitValue,
   isNullOrUndefined,
   MappingObjectUtil,
   NotificationService,
@@ -59,6 +60,9 @@ export const defaultDepositDataFileValue: () => DepositDataFileStateModel = () =
   ({
     ...defaultCompositionStateInitValue(),
     deposit_dataFile_statusHistory: defaultStatusHistoryInitValue(),
+    deposit_dataFile_metadataType: {
+      ...defaultResourceStateInitValue(),
+    },
     currentFolder: "" + DepositDataFileHelper.ROOT,
     folders: [],
     foldersWithIntermediateFolders: [],