* Move tab height and horizontal drawer height to themable variables so they can be referred to. Add a default height to tabbed container so it can set an explicit height. Add overflow: scroll to inspector content
* Use height variable that changes on resize
* Use css to set height
* Move InspectSubtitle to grafana/ui
* Move inspect elements to features/inspector
* Move InspectJSON and use it also in Explore
* Move and use QueryInspector
* Move all to features/inspector
* WIP Data tab implementation
* Process dataframes for explores inspector
* Clean up
* Update test
* Clean up
* Fix Explore Inspector button name
