message: fix: correct regex of locating default pdf
diff: @@ -66,7 +66,7 @@ async function modifyViewrJS() {
  file = '/* saladict */ window.__SALADICT_PDF_PAGE__ = true;\n' + file
  // change default pdf
  - const defaultPDFTester = /defaultUrl: {[\s\S]*?value: (['"]\S+?.pdf['"]),[\s\S]*?kind: OptionKind\.VIEWER/
  + const defaultPDFTester = /defaultUrl = {[\s\S]*?value: (['"]\S+?.pdf['"]),[\s\S]*?kind: OptionKind\.VIEWER/
  if (!defaultPDFTester.test(file)) {
  shell.echo('Could not locate default pdf in viewer.js')
  shell.exit(1)
  