* Revert "Revert "Update to new Snackbar component and notice store""
* Update uploader component to use createNotice
* Bump required WP version to 5.2
* Update required PHP and WP versions in plugin header
* Add new wordpress/components version and fix dependencies
* Add in snackbar styling and gutenberg variables
* Convert all existing notice actions to wordpress/notices
* Fix linting errors
* Add package.lock changes
* Update search list control snapshots with new attributes
* Add section header for historical import.
* Add alert on unsaved changes.
* The glass is half full. Therefore my state change should be too.
* Update button text.
* Hook up import/status endpoint to Historical Data Import screen
* Fix PHP tests
* Add speak message when the import is complete
* Several fixes
* Cleanup
* Update progress bars every 3 seconds and bugfixes
* Rename ongoingImport to activeImport
* Use timestamp to identify queries
* Use timestamps for historical data state
* Add 'initializing' status
* Cleanup
* Pass less props around
* Refactor getStatus
* Set stop timestamp on request error
* Typo
* Hook up import/totals endpoint to Historical Data Import screen
* Remove getImportTotalsError and isGetImportTotalsRequesting selectors which were not used
* Remove duplicate style import
* Fix RTL displays
* Hide progress bars and status from Import Historical Data screen
* Remove Rebuild Reports Sections from Settings
* Add Delete Imported Data button to the default actions
* Unify @todo comments
* Add Historical Data Import Screen
* Fix date picker not being accessible
* Cleanup
* Fix period selector typo
Co-Authored-By: Aljullu <aljullu@gmail.com>
* Move state to props
* Add filter to status labels
* Get rid of 'step' state property
* Format 'importDate' as YYYY-MM-DD
* Minor improvements
* Hardcode control height
* Use dateValidationMessages when possible
* Update imported all data actions
* Update filter name