changePolygon method
Implementation
@override
Future<void> changePolygon(
String shapeId, WebShapePoint point, String styleId) async {
final style = manager._polygonStyles[styleId]![0];
final options = _webPolygonOption[shapeId]!;
options.fillColor = _getColorCode(style.color);
options.strokeColor = _getColorCode(style.strokeColor);
options.strokeWeight = style.strokeWidth;
_webPolygon[shapeId]?.setOptions(options);
_webPolygonOption[shapeId] = options;
}