fix: default enable-ota flag and fixing startup missing vendor

src/libslic3r/AppConfig.cpp

@@ -638,6 +638,11 @@ void AppConfig::set_defaults()
         set_bool("use_printer_agents", false);
     }
 
+    if (get("enable_ota").empty())
+    {
+        set_bool("enable_ota", false);
+    }
+
     // Remove legacy window positions/sizes
     erase("app", "main_frame_maximized");
     erase("app", "main_frame_pos");

src/slic3r/Utils/PresetUpdater.cpp

@@ -1090,9 +1090,6 @@ void PresetUpdater::priv::check_installed_vendor_profiles() const
 
     AppConfig *app_config = GUI::wxGetApp().app_config;
 
-    if (!app_config->get_bool("enable_ota"))
-        return;
-
     const auto enabled_vendors = app_config->vendors();
 
     std::set<std::string> bundles;