UE::Geometry::GetCurrentGeometrySelectionForTarget

Given a [FToolBuilderState](API\Runtime\InteractiveToolsFramework\FToolBuilderState), find an available [FGeometrySelection](API\Plugins\DynamicMesh\Selections\FGeometrySelection) for the given ToolTarget (via the [UGeometrySelectionManager](API\Plugins\ModelingComponents\Selection\UGeometrySelectionManager) in the ContextObjectStore)