Extra trailing commas in `mat`

[TheJiahao]

• [x] I have tested with the master version of typstfmt and not just typst-lsp

Describe the bug typstfmt inserts extra commas to mat() when the line is too long and contains ";". Tested with typstfmt version 0.2.5 on Windows 11.

To Reproduce Mininal working example below:

$mat(11111111111111111111111111111111111111111111111111111111111111111111111111;)$

Steps to reproduce:

1. Running typstfmt once:

   $mat(
   11111111111111111111111111111111111111111111111111111111111111111111111111;,
   )$

2. Rerun typstfmt

   $mat(
   11111111111111111111111111111111111111111111111111111111111111111111111111;, ,
   )$

3. Repeat 2. and typstfmt adds extra comma every time.

[astrale-sharp]

Thank you for this great report ! I would have never found that bug myself, I'll try to fix it tomorrow!

[astrale-sharp]

And I failed to fix it tomorrow which means I fixed it today ! :innocent: Don't hesitate to reopen if I missed something!