* Add custom attention state to dashboard
* Add attention state to DashboardGrid
* Remove old functionality
* Add attention state to keybindingSrv
* Create PanelAttentionService
* Add PanelAttentionService with scenes support
* Remove unused code
* Use viz panel key instead of VizPanel
* Add type assertion
* Add e2e test
* Update comments
* Use panel id for non-scenes use case
* Support undefined service use case
* Memoize singleton call
* Debounce mouseover
* Set panelAttention with appEvents
* Use AppEvents for Scenes
* Remove panelAttentionSrv
* Wait in e2e to handle debounce
* Move subscription to KeybindingSrv
* Remove imports and reset keyboardShortcuts from main
* Fix on* event handlers
