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#### Summary <!-- Provide a general summary of your changes -->
Currently our BaseApp codeunit TypeHelper has a function to get the
current culture. This fits best in the language module.

#### Work Item(s) <!-- Add the issue number here after the #. The issue
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Fixes
[AB#559931](https://dynamicssmb2.visualstudio.com/1fcb79e7-ab07-432a-a3c6-6cf5a88ba4a5/_workitems/edit/559931)