jsPlumb Toolkit v5.8.0

Improves rendering pipeline to better integrate with Vue 3 and React 18.

Features

• 'Drag groups' have been extracted from 'Surface' and packaged into a separate plugin - `@jsplumbtoolkit/browser-ui-plugin-drag-groups` this contains the code that allows you to manage drag groups.
• Several enhancements have been made to the rendering pipeline to better integrate with Vue 3 and React 18.
• Surface now fires EVENT_RENDER_START and EVENT_RENDER_END at the beginning and end of the rendering of a set of data. EVENT_RENDER_END does not fire until every vertex in the dataset has been rendered (taking into account asynchronous rendering).
• Added support for 'template macros' to the @jsplumbtoolkit/templates-2 package. This brings templates-2 up to par with @jsplumbtoolkit/templates in terms of the complexity supported in injected values.
• Updated ForceDirected layout to better support positioning of newly added nodes.