[TLC-674] Duplicate detection comp, template, i18n

Duplicate data is accessed in the submission section,
pooled tasks list and claimed tasks list.

src/app/shared/object-list/duplicate-data/duplicate.model.ts

@@ -0,0 +1,24 @@
+import {autoserialize} from "cerialize";
+import {MetadataMap} from "../../../core/shared/metadata.models";
+
+export class Duplicate {
+  /**
+   * The item title
+   */
+  @autoserialize
+  title: string;
+  @autoserialize
+  uuid: string;
+  @autoserialize
+  workflowItemId: bigint;
+  @autoserialize
+  workspaceItemId: bigint;
+  @autoserialize
+  owningCollection: string;
+
+  /**
+   * Metadata for the bitstream (e.g. dc.description)
+   */
+  @autoserialize
+  metadata: MetadataMap;
+}