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

Fixes #3381
16 jobs from remove-watchdog in 8 minutes (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #19411
docker
build:alpine

00:02:22

manual #19412
armv7l allowed to fail manual
build:archlinux
passed #19410
docker
build:debian

00:02:58

passed #19409
docker
build:fedora

00:02:18

passed #19413
docker
build:no_botan

00:02:09

passed #19417
docker
build:no_db

00:01:45

passed #19418
docker
build:no_db_botan

00:01:40

passed #19415
docker
build:no_libidn

00:01:38

passed #19416
docker
build:no_sqlite3

00:01:49

passed #19414
docker
build:no_udns

00:02:17

 
  Test
passed #19422
docker
test:alpine

00:02:54

passed #19419
docker
test:debian

00:02:57

passed #19420
docker
test:fedora

00:03:03

77.7%
passed #19423
freebsd
test:freebsd

00:03:34

passed #19421
docker
test:no_udns

00:02:30

 
  Deploy
passed #19424
www
deploy_doc

00:00:16