message: Adjust synctex position on pdf viewer
diff: @@ -410,7 +410,7 @@ See https://github.com/adobe-type-tools/cmap-resources
  canvas_dom.onclick = (e) => {
  if (!(e.ctrlKey || e.metaKey)) return
  let left = e.pageX - target.offsetLeft + target.parentNode.parentNode.scrollLeft
  - let top = e.pageY - target.offsetTop + target.parentNode.parentNode.scrollTop - 41
  + let top = e.pageY - target.offsetTop + target.parentNode.parentNode.scrollTop
  let pos = PDFViewerApplication.pdfViewer._pages[page-1].getPagePoint(left, canvas_dom.offsetHeight - top)
  socket.send(JSON.stringify({type:"click", path:file, pos:pos, page:page}))
  }
  