Fix Comm for group automorphisms (#5906) #6170

Job	Run time
Test in OpenBSD	8m 19s
Cross compiler for s390x	27m 4s
testinstall - - ubuntu-latest	4m 42s
teststandard - - ubuntu-latest	19m 48s
testmanuals - - ubuntu-latest	5m 54s
testexpect testmockpkg testspecial test-compile testlibgap testkernel testworkspace - - ubuntu-latest	6m 40s
testpackages testinstall-loadall - - ubuntu-latest	25m 8s
makemanuals testmakeinstall - CONFIGFLAGS="--prefix=/tmp/gapprefix" NO_COVERAGE=1 - ubuntu-latest	6m 3s
teststandard - ABI=32 CONFIGFLAGS="" - ubuntu-20.04	18m 35s
testinstall - HPCGAP=yes ABI=64 - ubuntu-latest	7m 20s
testmockpkg testinstall - BOOTSTRAP_MINIMAL=yes - macos-latest	3m 21s
testbugfix - CONFIGFLAGS="--enable-memory-checking" - ubuntu-latest	29m 37s
testbuildsys testmockpkg testinstall - NO_COVERAGE=1 ABI=64 BUILDDIR=out-of-tree CONFIGFLAGS="--enable-valgrind" - ubuntu-latest	4m 25s
testbuildsys testmockpkg testinstall - NO_COVERAGE=1 ABI=32 BUILDDIR=out-of-tree CONFIGFLAGS="" - ubuntu-20.04	4m 19s
testinstall - JULIA=yes CONFIGFLAGS="--enable-debug" - ubuntu-20.04	4m 49s
testmockpkg testinstall - - windows-2019	15m 58s
Send Slack notification on status change	5s
	3h 12m 7s

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