message: Add LaTeX Workshop prefix in quick menu
diff: "commands": [
  {
  "command": "latex-workshop.build",
  - "title": "Build LaTeX project"
  + "title": "Build LaTeX project",
  + "category": "LaTeX Workshop"
  },
  {
  "command": "latex-workshop.view",
  - "title": "View PDF file in web page"
  + "title": "View PDF file in web page",
  + "category": "LaTeX Workshop"
  },
  {
  "command": "latex-workshop.tab",
  - "title": "View PDF file in new tab"
  + "title": "View PDF file in new tab",
  + "category": "LaTeX Workshop"
  },
  {
  "command": "latex-workshop.synctex",
  - "title": "SyncTeX from cursor"
  + "title": "SyncTeX from cursor",
  + "category": "LaTeX Workshop"
  },
  {
  "command": "latex-workshop.clean",
  - "title": "Clean up auxillary files"
  + "title": "Clean up auxillary files",
  + "category": "LaTeX Workshop"
  },
  {
  "command": "latex-workshop.actions",
  