Do not send the IRC host directly as real JID of the user

Fixes #3381
16 jobs for refactor-resources in 8 minutes and 8 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #18620
docker
build:alpine

00:02:16

manual #18621
armv7l allowed to fail manual
build:archlinux
passed #18619
docker
build:debian

00:02:53

passed #18618
docker
build:fedora

00:02:14

passed #18622
docker
build:no_botan

00:02:10

passed #18626
docker
build:no_db

00:01:48

passed #18627
docker
build:no_db_botan

00:01:45

passed #18624
docker
build:no_libidn

00:01:54

passed #18625
docker
build:no_sqlite3

00:01:53

passed #18623
docker
build:no_udns

00:02:12

 
  Test
passed #18631
docker
test:alpine

00:02:57

passed #18628
docker
test:debian

00:03:03

passed #18629
docker
test:fedora

00:03:11

77.7%
passed #18632
freebsd
test:freebsd

00:03:43

passed #18630
docker
test:no_udns

00:02:33

 
  Deploy
passed #18633
www
deploy_doc

00:00:16