* Dashboards: Migrate from aria-label e2e selectors to data-testid
* more changes
* addPanelwidget
* Test: Update .betterer.results
* refactor: fix e2e tests
* refactor: fix failing test
* refactor: update plugin-e2e after adding selector changes to the packege
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Co-authored-by: Laura Benz <48948963+L-M-K-B@users.noreply.github.com>
Co-authored-by: Laura Benz <laura.benz@grafana.com>