Requirements:
Content comparison feature(Content edition)
Single content with:

• Version with language 1(draft/published/archived)
• Version with language 2(archived)

Steps to reproduce:
1.  Go to content/content structure/our content with versions/versions tab
2.  Click compare versions
3.  Select archived version in the left dropdown(language 2)
4.  Select another version in right dropdown(language 1)

Actual result:
http 400 bad request
Argument '$languageCode' is invalid: Language 'FR' must be present in both given Versions

Expected result:
Right dropdown selection is refreshed because it is not handled.

Notes:
Bug hasn't been reproduced on v3.3 Content