[Glitch] Fix duplicate notifications in notification groups when usin… #1731

Job	Run time
build (production)	4m 21s
build (test)	4m 39s
test (3.1)	6m 54s
test (3.2)	6m 48s
Libvips tests (3.1)	3m 30s
End to End testing (3.1)	3m 50s
test (.ruby-version)	7m 30s
Libvips tests (3.2)	2m 51s
Elastic Search integration testing (3.1, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	4m 8s
End to End testing (3.2)	3m 19s
Libvips tests (.ruby-version)	4m 7s
Elastic Search integration testing (3.2, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	3m 29s
End to End testing (.ruby-version)	2m 23s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	2m 59s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	2m 56s
Elastic Search integration testing (.ruby-version, opensearchproject/opensearch:2)	3m 38s
	1h 7m 22s

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