Fixes from ATM CR

Author: lbwexler

client-app/src/desktop/tabs/home/widgets/activity/ActivityWidgetModel.ts

@@ -37,7 +37,7 @@ export class ActivityWidgetModel extends HoistModel {
                 p(['Have you properly configured the ', code('gitHubAccessToken'), ' config?'])
             ]),
             colChooserModel: true,
-            expandToLevel: 1,
+            expandLevel: 1,
             sortBy: 'committedDate|desc',
             groupBy: 'committedDay',
             contextMenu: [openUrlAction, '-', ...GridModel.defaultContextMenu],

client-app/src/examples/portfolio/grid/PositionsGridModel.ts

@@ -27,7 +27,7 @@ export class PositionsGridModel extends HoistModel {
 
         this.gridModel = new GridModel({
             persistWith: {...this.persistWith, path: 'portfolioGrid'},
-            expandToLevel: 1,
+            expandLevel: 1,
             levelLabels: () => this.parentModel.groupingChooserModel.valueDisplayNames,
             store: this.parentModel.store,
             treeMode: true,