Improvements
- Advanced Search: now search settings in agents interface (basic/advanced, search within comments) are saved in browser cookies;
- Tweaked performance of push notifications.
Bug Fixes
- Mobile UI: fixed 400 error on knowledge base page;
- Mobile valid links in user profile caused 400 error on desktop interface;
- Files block was displayed in knowledge base widget on the article without attachments;
- Newly created category in knowledge base couldn't be specified to display in widget;
- Minor localization bug in advanced search.