js/axes.js: sizeOtherSample axis sets non-existant clones to almost 0

Mostly solves #2788. See also #2363.
5 jobs for feature-c/dev in 4 minutes and 20 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test Quality
passed #40530
code_quality

00:00:08

 
  Test Unit
passed #40531
test_browser_unit

00:00:05

 
  Deploy Review
passed #40532
deploy_review

00:00:04

manual #40533
allowed to fail manual
stop_deploy_review
 
  Test Functional
passed #40534
test_browser-functional

00:04:02