* Use last used datasource or default datasource when starting a trail
* Use tabs and move actions bar to same line when possible
* Added overview tab with description, type and labels
* Clickable labels in overview tab
* Show label value counts next to the label name
* Fix action bar zIndex
* Address PR comments
* Refactor
* Refactor getLabelOptions to utils
* Reuse language provider from state
* betterer
* testing some refactors
* Remove unreachable code
* Refactor GROUP_BY var to MetricScene
* Fix url by excluding var-groupby
* Fix conflicts
* Use <Text/> instead of custom styles
* Simplify setting overview as default tab
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Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
