l10n: Unify spelling

[Valdnet]

Spelling unification in Nextcloud applications.

[codecov]

Codecov Report

Merging #2162 (ab13733) into master (e3863df) will not change coverage.
The diff coverage is n/a.

❗ Current head ab13733 differs from pull request most recent head 8d60d88. Consider uploading reports for the commit 8d60d88 to get more accurate results

@@            Coverage Diff            @@
##             master    #2162   +/-   ##
=========================================
  Coverage     69.83%   69.83%           
  Complexity      238      238           
=========================================
  Files            22       22           
  Lines           673      673           
=========================================
  Hits            470      470           
  Misses          203      203           

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[skjnldsv]

You rock! 🚀