pabepadu

Hi, Since version 0.9, "Export diagram as SVG" create an empty file. It seems the code to get the SVG content has been commented: https://github.com/QuantStack/jupyterlab-drawio/blob/a71c3826aa57f149dea36378a434a07d05254077/src/editor.ts#L112-L114

## Expected behavior I would like to use a `nitpick` remote style on Azure DevOps. The only way to get a raw file on Azure DevOps is to call APIs:...