EZP-23516: fix generation for ez_legacy routes using url twig function
Merge pull request #1055 from flovntp/EZP-23516-languages-switcher-and-legacy-module

Fix EZP-23516: Language switcher and legacy module
Fix EZP-23516: FallbackRouter must use the whole pathinfo

Relates to #1055

For legacy, URI is fixed up in LegacyKernelController via URIHelper.
Furthermore, view parameters string must be present.
Merge branch 'upstream'