Sanitization of generated filenames (remove LaTeX commands)

[pcdi]

Is your suggestion for improvement related to a problem? Please describe.
For linked files, when they are renamed automatically according to filename format pattern, the fields that are used to generate the new filename are not stripped of LaTeX commands, so these LaTeX commands show up in the filename.

Consider the following example:

@Article{BrayBuildingCommunity,
  author       = {David Bray},
  date         = {2006},
  journaltitle = {Economy and Society},
  number       = {4},
  pages        = {530--549},
  title        = {Building \mkbibquote{Community}},
  volume       = {35},
  doi          = {10.1080/03085140600960799},
  subtitle     = {New Strategies of Governance in Urban China},
}

If the pattern is set to [bibtexkey] - [fulltitle], then the generated filename will be BrayBuildingCommunity - Building _mkbibquote_Community_.pdf. In this case, only \ and {} are sanitized to _ but the command name mkbibquote remains.

Describe the solution you'd like
The filename generation function should be able to strip fields that are used to create the filename of LaTeX commands (even if only optionally). In the above example, the generated filename should then be BrayBuildingCommunity - Building Community.pdf.

[koppor]

Implementation hint: We have the latex-to-unicode formatter. It should be used in the filename conversion.

1. Find code place where to add
2. Find tests (possible simply by Ctrl+Shift+T
3. Add refined test case
4. See tests failing
5. Fix code

In case latex-to-unicode does not know this command, think harder of how to do step 5. Maybe use remove-latex-commands? Check the functionality - because the parameters inside the latex command should be kept.

[Siedlerchr]

We should rather use RemoveLatexCommandsFormatter as Latex2Unicode can produce weird characters you don't probably want

[yoyounik]

Hii @koppor can i be assigned this issue to work on

[koppor]

/assign @yoyounik

[github-actions]

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