Issue #3585470: Highcharts feature states are bypassed by UI elements, backend renderers, and chart type selection

Carlosrequested to merge
issue/charts-3585470:3585470-highcharts-feature-states into 5.2.x
  • Fixes broken submission handler
  • Toggles features available based on libraries enabled.
  • Toggles chart types available based on libraries enabled.
  • Hides chart specific fieldset if no features available.

Closes #3585470

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