fix: fix build

Author: sjbur

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

@@ -160,7 +160,7 @@ class SchedulerAgenda extends WorkSpace {
 
   _recalculateAgenda(rows) {
     let cellTemplates = [];
-    this._cleanView();
+    this.cleanView();
 
     if (this._rowsIsEmpty(rows)) {
       this._renderNoData();
@@ -304,7 +304,7 @@ class SchedulerAgenda extends WorkSpace {
     };
   }
 
-  _cleanView() {
+  cleanView() {
     this._$dateTable.empty();
     this._$timePanel.empty();
 

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

@@ -2236,7 +2236,7 @@ class SchedulerWorkSpace extends Widget<WorkspaceOptionsInternal> {
   // We do not need these methods in renovation
   // --------------
 
-  private isRenderHeaderPanelEmptyCell() {
+  protected isRenderHeaderPanelEmptyCell() {
     return this.isVerticalGroupedWorkSpace();
   }
 

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

@@ -197,8 +197,8 @@ class SchedulerWorkSpaceIndicator extends SchedulerWorkSpace {
     return cellClass;
   }
 
-  _cleanView() {
-    super._cleanView();
+  cleanView() {
+    super.cleanView();
 
     this._cleanDateTimeIndicator();
   }