Form and render elements in Charts 8.4

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Element machine name	Type	Class	Namespace	Description
chart	RenderElement	Chart	Drupal\charts\Element	Provides a chart render element.
chart_data	RenderElement	ChartData	Drupal\charts\Element	Provides a chart data render element.
chart_data_collector_table	FormElement	ChartDataCollectorTable	Drupal\charts\Element	Provides a chart data collector table form element.
chart_data_item	RenderElement	ChartDataItem	Drupal\charts\Element	Provides a chart data item render element.
chart_xaxis	RenderElement	ChartXaxis	Drupal\charts\Element	Provides a chart xaxis render element.
chart_yaxis	RenderElement	ChartYaxis	Drupal\charts\Element	Provides a chart yaxis render element.
charts_settings	FormElement	BaseSettings	Drupal\charts\Element	Provides a form element for setting a chart.