Currently https://translatewiki.net/wiki/Special:TranslationStats uses a basic HTML form
We can update the page to use Codex components:
- TextInput with specific input types: https://doc.wikimedia.org/codex/main/components/demos/text-input.html#input-type (date, number etc)
- Radio: https://doc.wikimedia.org/codex/main/components/demos/radio.html
- Codex based EntitySelector added in https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Translate/+/1219971
- MultiselectLookupLanguageSelector. See: https://www.mediawiki.org/wiki/Manual:LanguageSelector#MultiselectLookupLanguageSelector




