Helpdesk users and customers get a clearer ticket experience with an improved portal sidebar, better ticket lists, new filters, and easier access to related records like sales orders, tasks, credit notes, and forum posts. The update also improves SLA visibility based on sales confirmation timing and adds better activity tracking, helping teams manage support work with more context and less navigation.

The purpose of the commit is to do several usability improvements and add some new features.

So in this commit, we did several usability improvements and added the below feature:
- revamp the portal with a portal sidebar
- added SLA validity on product based on so confirmation date
- helpdesk overview added the list view with the user dashboard.

task-2722488

Website managers can now work with the current website inside a backend iframe, with updated menus and dialogs for creating content such as appointments. This streamlines editing workflows, removes older website toolbar pieces, and aligns related website apps with the new experience.

task-2687506