GroupChatControl: Add avatar selector page

2 jobs for groupchat-manage in 7 minutes and 17 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #20802
code-quality

00:05:35

2.0%
 
  Build
failed #20803
linux

00:01:42

 
Name Stage Failure
failed
linux Build
  File "./scripts/ci/sdist.py", line 43, in download_plugins
url = get_plugins_url(plugin)
File "./scripts/ci/sdist.py", line 30, in get_plugins_url
folder = get_plugins_folder()
File "./scripts/ci/sdist.py", line 25, in get_plugins_folder
version = COMMIT_BRANCH.split('_')[1]
IndexError: list index out of range
Cleaning up file based variables
ERROR: Job failed: exit status 1