FSubGizmoInfo

[FSubGizmoInfo](API\Runtime\InteractiveToolsFramework\BaseGizmos\UCombinedTransformGizmo\FSubGizmoInfo) stores the ([UPrimitiveComponent](API\Runtime\Engine\Components\UPrimitiveComponent),[UInteractiveGizmo](API\Runtime\InteractiveToolsFramework\UInteractiveGizmo)) pair for a sub-element of the widget.