Update ResetAuthenticator.cshtml.cs

Author: HaoK

src/Identity/UI/src/Areas/Identity/Pages/V5/Account/Manage/ResetAuthenticator.cshtml.cs

@@ -38,9 +38,9 @@ public abstract class ResetAuthenticatorModel : PageModel
 
     internal class ResetAuthenticatorModel<TUser> : ResetAuthenticatorModel where TUser : class
     {
-        UserManager<TUser> _userManager;
+        private readonly UserManager<TUser> _userManager;
         private readonly SignInManager<TUser> _signInManager;
-        ILogger<ResetAuthenticatorModel> _logger;
+        private readonly ILogger<ResetAuthenticatorModel> _logger;
 
         public ResetAuthenticatorModel(
             UserManager<TUser> userManager,