Merge branch '680-dev-related-docs-children' into 'dev'

[Node terms] Show related docs for children terms as well

Closes #680

See merge request !516
3 jobs for dev in 23 minutes and 54 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Check Lint
passed #18545
check-lint

00:06:40

 
  Compile
passed #18546
compile

00:08:54

 
  Test
passed #18547
test

00:08:19