[MAINTAIN-47] fixed a details popup for result item of AF4 for mobile screens

[aleevas]

Original Issue, this PR is going to fix: https://openy.atlassian.net/browse/MAINTAIN-47

This should fix broken popup of activity details of AF4 for Carnation theme
After apply this, it should have next view (the same as for Rose and Lilly):

Steps for review

• Go to the AF4 page
• Go throw all steps and check result page
• Click by one of result items and in opened popup
• Please verify how it looks like for mobiles screens (Ipad, Iphone etc.)

General checks

• All coding styles are fulfilled and there are no any issues reported by CodeSniffer. See Code of Conduct.
• Documentation has been updated according to PR changes.
• Steps for review have been provided according to PR changes.
  
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Thank you for your contribution!

[gundevel]

Can one of the admins verify this patch? Use "o+k to test" or ''t+est this please" for manual build execution.