Scheduler - Replace private workspace access in m_scheduler

Author: aleksei-semikozov

packages/devextreme/js/__internal/scheduler/m_scheduler.ts

@@ -1297,12 +1297,12 @@ class Scheduler extends SchedulerOptionsBaseWidget {
     this._workSpace = this._createComponent($workSpace, workSpaceComponent, workSpaceConfig);
 
     this._allowDragging() && this._workSpace.initDragBehavior(this, this._all);
-    this._workSpace._attachTablesEvents();
+    this._workSpace.attachTablesEvents();
     this._workSpace.getWorkArea().append(this._appointments.$element());
 
     this._recalculateWorkspace();
     if (currentViewOptions.startDate) {
-      this._updateOption('header', 'currentDate', this._workSpace._getHeaderDate());
+      this._updateOption('header', 'currentDate', this._workSpace.getHeaderDate());
     }
   }
 

packages/devextreme/js/__internal/scheduler/workspaces/m_work_space.ts

@@ -2941,6 +2941,14 @@ class SchedulerWorkSpace extends Widget<WorkspaceOptionsInternal> {
     return this._$headerPanelContainer;
   }
 
+  attachTablesEvents() {
+    this._attachTablesEvents();
+  }
+
+  getHeaderDate() {
+    return this._getHeaderDate();
+  }
+
   updateRender() {
     this.renderer.updateRender();
   }