text: Title: Per-fle language configuration fails if there are two or more spaces after `Language:` prefix
  Body: [Example_localized_files.zip](https://github.com/user-attachments/files/16929400/Example_localized_files.zip)
  
  If we have two spaces after `Language:` the language is not recognized and the test run fails.
  
  Attached is Finnish localized test suites with and without the extra space.
  
  Windows 10, Python 3.10,9 Robot Framework v7.1rc2.