[Port dspace-8_x] Prevent removal of already removed menu sections from throwing errors #9491

Job	Run time
dspace-angular-dist / docker-build (linux/amd64, true)	8m 34s
dspace-angular / docker-build (linux/amd64, true)	2m 28s
dspace-angular-dist / docker-copy_to_dockerhub	0s
dspace-angular-dist / docker-build_manifest	0s
dspace-angular / docker-build_manifest	0s
docker-deploy	7m 31s
dspace-angular / docker-copy_to_dockerhub	0s
	18m 33s

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