Merge branch 'F9686DownloadSanatizeOutputFilename' into 'master'

Fixes F9686: html decode and sanitize an export filename to become the 'save as'-filename

See merge request !216
3 jobs for master in 2 minutes and 35 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Before
passed documentation #4303

00:00:34

 
  Build
passed snapshot #4304

00:01:16

 
  Selenium
passed selenium #4305

00:00:43