feat(2fa): improve flash messages on 2fa settings page

rhodecode/apps/my_account/views/my_account.py

@@ -230,7 +230,10 b' class MyAccountView(BaseAppView, DataGri'
         user_instance.has_enabled_2fa = state
         user_instance.update_userdata(update_2fa=time.time())
         Session().commit()
-        h.flash(_("Successfully saved 2FA settings"), category='success')
+        if state:
+            h.flash(_("2FA has been successfully enabled"), category='success')
+        else:
+            h.flash(_("2FA has been successfully disabled"), category='success')
         raise HTTPFound(self.request.route_path('my_account_configure_2fa'))
 
     @LoginRequired()