Improve the management page UI for the demo host

Author: gdlcf88

host/EasyAbp.FileManagement.Web.Unified/Pages/MyFiles/Index.cshtml

@@ -11,8 +11,8 @@
 @inject ICurrentUser CurrentUser
 
 @{
-    PageLayout.Content.Title = L["File"].Value;
-    PageLayout.Content.BreadCrumb.Add(L["Menu:File"].Value);
+    PageLayout.Content.Title = L["Menu:File"].Value;
+    PageLayout.Content.BreadCrumb.Add(L["Menu:FileManagement"].Value);
     PageLayout.Content.MenuItemName = "FileManagementFile";
 
     const string fileContainerName = "default";