bugfix/Radio button value/checked + hide radio input

[EndPositive]

Related Issues

Closes #1767

Also fixed a small visual issue

Original input element was visible behind label

Which Environment This Relates To

Check your case. In case of any doubts please read about Release Cycle

• Test version (https://test.storefrontcloud.io) - this is a new feature or improvement for Vue Storefront. I've created branch from develop branch and want to merge it back to develop
• RC version (https://next.storefrontcloud.io) - this is a stabilisation fix for Release Candidate of Vue Storefront. I've created branch from release branch and want to merge it back to release
• Stable version (https://demo.storefrontcloud.io) - this is an important fix for current stable version. I've created branch from hotfix or master branch and want to merge it back to hotfix

Upgrade Notes and Changelog

• No upgrade steps required (100% backward compatibility and no breaking changes)
• I've updated the Upgrade notes and Changelog on how to port existing Vue Storefront sites with this new feature

IMPORTANT NOTICE - Remember to update CHANGELOG.md with description of your change

Contribution and Currently Important Rules Acceptance

• I read and followed contribution rules

[andrzejewsky]

@EndPositive I changed branch for you - when you do some bugfixes, please use latest hotfix . branch (in this case hotfix/v1.11.2). Please just update changelog

[EndPositive]

I updated the changelog, but it needs a merge by now.