add path undefined condition

packages/app/src/components/CreateTemplateModal.jsx

@@ -64,7 +64,7 @@ const CreateTemplateModal = (props) => {
 };
 
 CreateTemplateModal.propTypes = {
-  path: PropTypes.string,
+  path: PropTypes.string.isRequired,
   isOpen: PropTypes.bool.isRequired,
   onClose: PropTypes.func.isRequired,
 };

packages/app/src/components/Navbar/GrowiContextualSubNavigation.tsx

@@ -25,19 +25,18 @@ import {
 } from '~/stores/ui';
 
 import { AdditionalMenuItemsRendererProps } from '../Common/Dropdown/PageItemControl';
+import CreateTemplateModal from '../CreateTemplateModal';
 import AttachmentIcon from '../Icons/AttachmentIcon';
 import HistoryIcon from '../Icons/HistoryIcon';
+import PresentationIcon from '../Icons/PresentationIcon';
+import ShareLinkIcon from '../Icons/ShareLinkIcon';
 import { withUnstatedContainers } from '../UnstatedUtils';
 
-import ShareLinkIcon from '../Icons/ShareLinkIcon';
 
 import { GrowiSubNavigation } from './GrowiSubNavigation';
 import PageEditorModeManager from './PageEditorModeManager';
 import { SubNavButtons } from './SubNavButtons';
 
-import PresentationIcon from '../Icons/PresentationIcon';
-import CreateTemplateModal from '../CreateTemplateModal';
-
 
 type AdditionalMenuItemsProps = AdditionalMenuItemsRendererProps & {
   pageId: string,
@@ -303,7 +302,7 @@ const GrowiContextualSubNavigation = (props) => {
   ]);
 
 
-  if (path == null) {
+  if (path == null || path === undefined) {
     return <></>;
   }