Feature/tweak stealth mode (#13963)

* Update the stealth mode description to reflect the current code changes in 2.4.

* disable HMS if bambu network plugin is not installed or in stealth mode

* fix build err

* add hide_login_side_panel to control whether to show login panel in home page

src/slic3r/GUI/WebViewDialog.cpp

@@ -526,7 +526,7 @@ void WebViewPanel::SendCloudProvidersInfo()
     json data;
     json provider_array = json::array();
 
-    if (!app_config->get_stealth_mode()) {
+    if (!app_config->get_hide_login_side_panel()) {
         auto providers = app_config->get_cloud_providers();
         for (const auto& p : providers) {
             provider_array.push_back(p);