A service that stores the open state and ID of the currently opened sidebar.
A default sidebar ID can be passed to the constructor that will be the initial value of $id.
| Name | Type | Description | 
|---|---|---|
| _id$ | BehaviorSubject< DaffSidebarRegistration['id']> | |
| _open | signal(false) | |
| id$ | Observable< DaffSidebarRegistration['id']> | |
| isOpen | Signal<boolean> | |
| open | Opens the specified sidebar. | |
| close | Closes the sidebar. Does not clear the ID. |