[BUG] variant configurator for non-default language selected

[mkucmus]

Current Behavior

the behavior is described here: https://shopwarecommunity.slack.com/archives/C050L6NCMGQ/p1737547873317809

Expected Behavior

No response

Steps To Reproduce

1. go to product with variants
2. change the language
3. try to select a different variant

Anything else?

No response