message: change default to file render
diff: "file"
  ],
  "enumDescriptions": [
  - "Use data URL in markdown",
  - "Use cached file in markdown"
  + "Render with data URL",
  + "Render with cached SVGs"
  ],
  - "default": "dataUrl",
  - "markdownDescription": "Render mode for completion preview."
  + "default": "file",
  + "markdownDescription": "Render mode for preview of PDF files."
  },
  "latex-workshop.message.badbox.show": {
  "type": "boolean",
  