list.js; fix a bug on show/hide all buttons

Add some tests on it.
Link to #3951
12 jobs for feature-c/3951-displaying-all-sub-clones-does-not-work in 9 minutes and 12 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Test Tools
passed test_tools #423720

00:00:07

 
  Test Quality
passed code_quality #423721
web

00:00:09

 
  Test Unit
passed test_browser_unit #423722
web

00:00:30

 
  Deploy Review
passed deploy_review #423723
web

00:00:16

passed stop_deploy_review #423724
web manual

00:00:07

 
  Test Functional
passed test_browser-functional #423725
web

00:04:32

passed test_legacy-browser-functional #423730
legacy

00:01:38

failed test_legacy-browser-functional #423729
legacy

00:01:59

failed test_legacy-browser-functional #423726
legacy

00:01:50

 
  Test Functional External
passed test_browser-functional-external #423727
web

00:02:31

passed test_legacy-browser-functional-external #423732
legacy

00:00:58

failed test_legacy-browser-functional-external #423728
legacy

00:00:49