MAGETWO-92703: Persist & validate grid size entry

 - fix build failures

Author: Cari Spruiell

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/column/preview.js

@@ -28,6 +28,14 @@ export default class Preview extends PreviewCollection {
     public resizing: KnockoutObservable<boolean> = ko.observable(false);
     public element: JQuery;
 
+    /**
+     * Fields that should not be considered when evaluating whether an object has been configured.
+     *
+     * @see {Preview.isConfigured}
+     * @type {[string]}
+     */
+    protected fieldsToIgnoreOnRemove: string[] = ["width"];
+
     /**
      * @param {ContentTypeInterface} parent
      * @param {ContentTypeConfigInterface} config

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/tabs/preview.js

@@ -386,7 +386,7 @@ export default class Preview extends PreviewCollection {
         let duplicatedTabIndex: number;
         events.on("tab-item:contentType:duplicate", (args: ContentTypeDuplicateEventParamsInterface) => {
             if (this.parent.id === args.duplicateContentType.parent.id) {
-                const tabData = args.duplicateContentType.dataStore.get(args.duplicateContentType.id);
+                const tabData = args.duplicateContentType.dataStore.get();
                 args.duplicateContentType.dataStore.update(
                     tabData.tab_name.toString() + " copy",
                     "tab_name",