Spelling fixes for swedish lang file

[Aiiion]

Hello,

I was notified recently of some incorrect spelling.
This fixes the spelling as to adhere to the Swedish dictionary rather than "Swinglish".

I have not run any tests as I did not see that to be necessary.

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[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 11 lines in your changes missing coverage. Please review.

Project coverage is 90.47%. Comparing base (0c8ec45) to head (48e72ab).
Report is 239 commits behind head on development.

Files with missing lines	Patch %	Lines
...raits/Styling/Helpers/FilterMenuStylingHelpers.php	66.66%	8 Missing ⚠️
...g/Configuration/FilterMenuStylingConfiguration.php	85.71%	3 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #2123      +/-   ##
=================================================
+ Coverage          87.30%   90.47%   +3.16%     
- Complexity          1672     1945     +273     
=================================================
  Files                150      189      +39     
  Lines               3891     4388     +497     
=================================================
+ Hits                3397     3970     +573     
+ Misses               494      418      -76     

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