* Starting moving more stuff into data source picker
* WIP progress
* Progress on datasource picker rethink
* Things are working now some details to figure out
* Removed commented part
* Complex work on getting data source lists
* Fixed variable support showing correct data sources
* Tried fixing dashboard import but failed
* Fixes
* Fixed import dashboard
* Fixed unit test
* Fixed explore test
* Fixed test
* Fix
* fixed more tests
* fixed more tests
* fixed showing which option is default in picker
* Changed query variable to use data source picker, updated tests and e2e
* Fixed more tests
* Updated snapshots, had wrong typescript version