vidjil.less allow overflow-x for info-msg

in some cases there can be a lot of samples to view in the infoBox of a
clone, so we need a way of scrolling to see this information.

See #3057
8 jobs for feature-c/infobox_horizontal_scroll in 5 minutes and 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test Tools
passed #72679
test_tools

00:00:02

 
  Test Quality
passed #73393
web
code_quality

00:00:11

failed #72680
web
code_quality

 
  Test Unit
passed #72681
web
test_browser_unit

00:00:10

 
  Deploy Review
passed #72682
web
deploy_review

00:00:09

passed #72683
web allowed to fail manual
stop_deploy_review

00:00:03

 
  Test Functional
passed #72684
web
test_browser-functional

00:03:00

 
  Test Functional External
passed #72685
web
test_browser-functional-external

00:02:12