WEBUI-1067: fix compare versions show data for multivalued fields

elements/diff/elements/nuxeo-directory-arr-diff.html

@@ -33,6 +33,49 @@
       </div>
     </template>
     <div class="value simple">
+      <!-- no changes -->
+      <template is="dom-if" if="[[_hasNoChanges(delta, originalValue)]]">
+        <!-- simple value-->
+        <template is="dom-if" if="[[_isNotObjectNorArray(originalValue)]]">
+          <span>[[originalValue]]</span>
+        </template>
+        <!-- array -->
+        <template is="dom-if" if="[[_isArray(originalValue)]]">
+          <div class$="array [[_computeArrayClass(delta, originalValue, newValue, hideAdditions, hideDeletions)]]">
+            <template is="dom-repeat" items="[[originalValue]]" as="value">
+              <div class="item">
+                <nuxeo-object-diff
+                  original-value="[[value]]"
+                  schema="[[_getPropertySchema(schema, property)]]"
+                  type="[[_arrayItemType(type)]]"
+                  level="[[level]]"
+                  unified="[[unified]]"
+                  show-all="[[showAll]]"
+                  label="[[index]]:"
+                  is-array-item
+                  display-label
+                ></nuxeo-object-diff>
+              </div>
+            </template>
+          </div>
+        </template>
+        <!-- object -->
+        <template is="dom-if" if="[[_isObject(originalValue)]]">
+          <div class="object">
+            <template is="dom-repeat" items="[[_getKeys(originalValue)]]" as="subproperty">
+              <nuxeo-object-diff
+                property="[[subproperty]]"
+                original-value="[[_getValue(originalValue, subproperty)]]"
+                schema="[[_getPropertySchema(schema, property)]]"
+                level="[[_incLevel(level)]]"
+                unified="[[unified]]"
+                show-all="[[showAll]]"
+                display-label
+              ></nuxeo-object-diff>
+            </template>
+          </div>
+        </template>
+      </template>
       <!-- arrays with inner changes -->
       <template is="dom-if" if="[[_hasArrayInnerChanges(delta)]]">
         <div class="array diff simple">