Fix MUC nick change

5 jobs from master in 3 minutes and 40 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #8920
run-appdata

00:00:05

passed #8918
run-mypy

00:00:30

passed #8919
run-pylint

00:02:47

passed #8917
run-test

00:00:07

 
  Build
passed #8921
run-build

00:00:09