Parse settings prior to reading file to ensure Encoding is set

[MichaelChirico]

Closes #2803

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.63%. Comparing base (9fd693c) to head (70b5789).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2805   +/-   ##
=======================================
  Coverage   99.63%   99.63%           
=======================================
  Files         126      126           
  Lines        6935     6936    +1     
=======================================
+ Hits         6910     6911    +1     
  Misses         25       25           

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[bastistician]

The NEWS don't reveal it but this change means that ~/.lintr settings are no longer read when linting inline_data, e.g., lintr::lint(<R-code-as-string>), which is what Emacs-ESS uses to lint code in R buffers. So with the development version of lintr I'd only see notes from the default_linters.

[MichaelChirico]

Thanks, would you mind filing this as a new bug?