* fix: use fieldConfig.defaults.noValue in barchart and statetimeline
* change name of test
* remove todo comment
* lean on PanelDataErrorView in the case where no fields are present
* update StateTimeline and StatusHistory to use PanelDataErrorView
* fix test
* self-review cleanup
* fix(#92944): add StateTimeline Null+NaN handling
* chore: remove console.warns from debugging
* test: initialize a couple of simple tests
* test: more tests for hasMappedNaN and hasMappedNull
* chore: revert some of the let-const syntax cleanup for a later PR
* chore: rename should draw method
* chore: fix comment typo
* refactor(timeline-chart-utils): un-nest hasSpecialMappedValue() helper
* test(timeline-chart-utils): unit test hasSpecialMappedValue() helper
* chore: fix code comment typos in changed files
* refactor(timeline-chart): reduce helper DRY-ness for better performance
* fix(timeline-chart): check Y value for truthiness, not if it is finite
* test(state-timeline): additional gdev test panels with null + NN values
* fix(timeline-chart): allow Y value of zero in checks
---------
Co-authored-by: Jesse David Peterson <jesdavpet@users.noreply.github.com>
Co-authored-by: Adela Almasan <adela.almasan@grafana.com>
* fix any's in tests
* fix more any's in tests
* more test type fixes
* fixing any's in tests part 3
* more test type fixes
* fixing test any's p5
* some tidy up
* fix template_srv
* Adapt state timeline to scuemata
* Refactor status history to cue model
* Refactor
* Refactor TimelineChart as a core component
* wip
* Change as per CR
Co-authored-by: sam boyer <sdboyer@grafana.com>