Fix forced downcase in custom redirect urls

[ElviaBth]

🎩 What? Why?

When admin saves the redirect it honors the case that was saved and doesn't convert it all to lowercase. Admin expects that either it would respect the case sensitivity or the case sensitivity would not matter at all, and the feature should work as expected.

📌 Related Issues

• Related to URL rewriter is not respecting case sensitive links decidim-ice/decidim-module-decidim_awesome#239

Testing

• when origin and destination are not case sensitive

📷 Screenshots

♥️ Thank you!

[codecov]

Codecov Report

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Additional details and impacted files

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  Hits               ?     2343           
  Misses             ?       97           
  Partials           ?        0           

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