* refactor: tooltip is required
* refactor: add tooltips
* refactor: add tooltips
* refactor: add tooltips
* refactor: add tooltips
* refactor: add tooltips
* refactor: add tooltips
* refactor: adjust tests
* refactor: apply changes from code review
* refactor: adjust component for e2e test
* refactor: adjust fallback
* refactor: apply changes from code review
* refactor: apply changes from code review
* refactor: set IconButton default as type=button and remove from use cases
* refactor: remove aria-labels when duplicated and type=button from use cases
* refactor: clean up
* refactor: fix tests
* refactor: fix type errors
* refactor: remove changes in order in order to add them to a separate PR
* refactor: set IconButton default as type=button
* refactor: remove tooltip
* refactor: apply changes requested in review
* add translation keys for empty dashboard redesign
* run yarn i18n:extract; rephrase one trans key because of [warning] Found translation key already mapped to a map or parent of new key already mapped to a string: dashboard.toolbar.add.visualization
* reduce to 3-step locale phrase IDs
* extract phrase IDs
* Empty Dashboard state has its own CTA items and its own separate box to choose a library panel to create
* show empty dashboard screen if no panels
* start page for empty dashboard
* add feature flag for empty dashboard redesign
* only show empty dashboard redesign if FF