Viewer unit test

tectonic with --print to generate compile message for lw parse

Use short titles of \caption in outline

Tweak suggestion order

When formatting a selection of latex, consider the leading spaces

Upgrade to PDF.js 4.6.82

Unit test build

* Try

* Remove x86_64 tag

* Try macOS 13 Arm

* Try macos 13

* Disable two formatter tests on macOS

Fix #4347 max-print-line should be added to string when magic tex arg is present

Support `tex-fmt` latex formatting tool