rename getter

src/client/js/components/Navbar/GrowiSubNavigation.jsx

@@ -132,7 +132,7 @@ const GrowiSubNavigation = (props) => {
             { pageContainer.isAbleToShowPageManagement && <PageManagement isCompactMode={isCompactMode} /> }
           </div>
           <div className={`${isEditorMode ? 'ml-2' : 'mt-2'}`}>
-            {pageContainer.isAbleToShowThreeStrandedButton && (
+            {pageContainer.isAbleToShowPageEditorModeManager && (
               <PageEditorModeManager
                 onPageEditorModeButtonClicked={onPageEditorModeButtonClicked}
                 isBtnDisabled={isGuestUser}

src/client/js/services/PageContainer.js

@@ -187,10 +187,10 @@ export default class PageContainer extends Container {
   }
 
   /**
-   * whether to threeStrandedButton
+   * whether to display pageEditorModeManager
    * ex.) view, edit, hackmd
    */
-  get isAbleToShowThreeStrandedButton() {
+  get isAbleToShowPageEditorModeManager() {
     const { isNotCreatable, isPageInTrash } = this.state;
     const { isSharedUser, isGuestUser } = this.appContainer;