fix(settings): streamline settings type creation in settingsService and initialization

- Refactored settingsService to use findOrCreate for settings type, improving efficiency and error handling.
- Added initialization for 'account' settings type in initializeSettings, ensuring all necessary settings are created during setup.

backend/utils/initializeSettings.js

@@ -17,10 +17,14 @@ const initializeSettings = async () => {
         where: { name: 'flirt' },
         defaults: { name: 'flirt' }
     });
+    await SettingsType.findOrCreate({
+        where: { name: 'account' },
+        defaults: { name: 'account' }
+    });
     await SettingsType.findOrCreate({
         where: { name: 'languageAssistant' },
         defaults: { name: 'languageAssistant' }
     });
 };
 
-export default initializeSettings;
+export default initializeSettings;