modify variable name

src/server/routes/page.js

@@ -1258,7 +1258,7 @@ module.exports = function(crowi, app) {
         page = await Page.revertDeletedPageRecursively(page, req.user, { socketClientId });
       }
       else {
-        page = await crowi.pageService.revertDeletedPage(page, req.user, { socketClientId });
+        page = await crowi.pageService.revertDeletedSinglePage(page, req.user, { socketClientId });
       }
     }
     catch (err) {

src/server/service/page.js

@@ -178,7 +178,7 @@ class PageService {
     return updatedPage;
   }
 
-  async revertDeletedPage(page, user, options = {}) {
+  async revertSingleDeletedPage(page, user, options = {}) {
     const Page = this.crowi.model('Page');
     const newPath = Page.getRevertDeletedPageName(page.path);
     const originPage = await Page.findByPath(newPath);