refs #127093: Show alert only for non-empty page

- Commonize code that can be shared

apps/app/src/components/PageAlert/TrashPageAlert.tsx

@@ -42,10 +42,10 @@ export const TrashPageAlert = (): JSX.Element => {
   const deleteUser = pageData?.deleteUser;
   const deletedAt = pageData?.deletedAt ? format(new Date(pageData?.deletedAt), 'yyyy/MM/dd HH:mm') : '';
   const revisionId = pageData?.revision?._id;
-  const isEmptyPage = pageId == null || pagePath == null;
+  const isEmptyPage = pageId == null || revisionId == null || pagePath == null;
 
   const openPutbackPageModalHandler = useCallback(() => {
-    if (pageId == null || pagePath == null) {
+    if (isEmptyPage) {
       return;
     }
     const putBackedHandler = () => {
@@ -62,10 +62,10 @@ export const TrashPageAlert = (): JSX.Element => {
       }
     };
     openPutBackPageModal({ pageId, path: pagePath }, { onPutBacked: putBackedHandler });
-  }, [currentPagePath, mutateCurrentPage, openPutBackPageModal, pageId, pagePath, router]);
+  }, [currentPagePath, mutateCurrentPage, openPutBackPageModal, pageId, pagePath, router, isEmptyPage]);
 
   const openPageDeleteModalHandler = useCallback(() => {
-    if (pageId === undefined || revisionId === undefined || pagePath === undefined) {
+    if (isEmptyPage) {
       return;
     }
     const pageToDelete = {
@@ -77,7 +77,7 @@ export const TrashPageAlert = (): JSX.Element => {
       meta: pageInfo,
     };
     openDeleteModal([pageToDelete], { onDeleted: onDeletedHandler });
-  }, [openDeleteModal, pageId, pageInfo, pagePath, revisionId]);
+  }, [openDeleteModal, pageId, pageInfo, pagePath, revisionId, isEmptyPage]);
 
   const renderTrashPageManagementButtons = useCallback(() => {
     return (