Work around some mgr:forward accounting/reporting bugs #272

Job	Run time
CodeQL-tests	23m 32s
build-tests(ubuntu-22.04,gcc,default)	5m 33s
functionality-tests	18m 33s
source-maintenance-tests	2m 46s
build-tests(ubuntu-22.04,gcc,minimal)	4m 17s
build-tests(ubuntu-22.04,gcc,maximus)	6m 0s
build-tests(ubuntu-22.04,clang,default)	6m 15s
build-tests(ubuntu-22.04,clang,minimal)	5m 1s
build-tests(ubuntu-22.04,clang,maximus)	7m 11s
	1h 19m 8s

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