* wip
* make diff easier to read
* Update template_srv getVariables to return new TypedVariableModel
* update VariableType to use the type from TypedVariableModel
* tidy things up
* Chore: Use type-accurate mock variables in tests
* make createBaseVariableModel take the variable type
* Chore: move constants to own file
* Chore: moves safe* functions to grafana/data
* Chore: moves safe* functions to grafana/data
* Chore: adds VariableQueryEditorProps and deprecates VariableQueryProps
* Chore: remove getDefaultVariableAdapters function
* Chore: moves transaction status to types
* Chore: fix tests that do not initialise TemplateSrv
* Chore: change space when stringifying
* Chore: revert safe* func move
* Chore: remove circular dependency in Explore utils
Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>
Co-authored-by: joshhunt <josh@trtr.co>
Co-authored-by: kay delaney <kay@grafana.com>
Co-authored-by: Alexandra Vargas <alexa1866@gmail.com>>