FModelingModeExtensionExtendedInfo

[IModelingModeToolExtension](API\Plugins\ModelingToolsEditorMode\IModelingModeToolExtension) implementations can optionally return additional information used in the Eidtor UI via instances of [FModelingModeExtensionExtendedInfo](API\Plugins\ModelingToolsEditorMode\FModelingModeExtensionExtendedIn-).