ts: change default value for popup options

Author: sjbur

packages/devextreme/js/__internal/scheduler/utils/options/constants.ts

@@ -44,7 +44,7 @@ export const DEFAULT_SCHEDULER_OPTIONS: Properties = {
     form: {
       iconsShowMode: DEFAULT_ICONS_SHOW_MODE,
     },
-    popup: {},
+    popup: undefined,
   },
   showAllDayPanel: true,
   showCurrentTimeIndicator: true,
@@ -106,7 +106,7 @@ export const DEFAULT_SCHEDULER_INTERNAL_OPTIONS: SchedulerInternalOptions = {
     legacyForm: false,
     // @ts-expect-error copy from default so that you can rewrite it
     ...DEFAULT_SCHEDULER_OPTIONS.editing,
-    popup: {},
+    popup: undefined,
   },
   _draggingMode: 'outlook',
   _appointmentTooltipOffset: { x: 0, y: 0 },

packages/devextreme/js/ui/scheduler.d.ts

@@ -31,7 +31,7 @@ import {
 import dxDraggable from './draggable';
 
 import dxForm, { Item as FormItem } from './form';
-import dxPopup, { Properties as SchedulerPopupOptions } from './popup';
+import dxPopup, { Properties as PopupProperties } from './popup';
 
 import dxSortable from './sortable';
 import { dxToolbarItem } from './toolbar';
@@ -667,10 +667,10 @@ export interface dxSchedulerOptions extends WidgetOptions<dxScheduler> {
       } | undefined;
       /**
        * @docid
-       * @default {}
        * @public
+       * @type PopupProperties
        */
-      popup?: SchedulerPopupOptions;
+      popup?: PopupProperties;
     };
     /**
      * @docid