feat: filter messages by mention #16773

Job	Run time
Front-end unit tests	1m 23s
Front-end unit tests	1m 23s
master w/ php8.3-sqlite-nocache integration tests	3m 38s
master w/ php8.3-sqlite-nocache integration tests	3m 38s
Nextcloud master php8.1 unit tests	1m 51s
Nextcloud master php8.1 unit tests	1m 51s
master w/ php8.3-mysql-nocache integration tests	3m 54s
master w/ php8.3-mysql-nocache integration tests	3m 54s
Nextcloud stable30 php8.1 unit tests	1m 20s
Nextcloud stable30 php8.1 unit tests	1m 20s
master w/ php8.3-pgsql-nocache integration tests	3m 41s
master w/ php8.3-pgsql-nocache integration tests	3m 41s
Nextcloud master php8.2 unit tests	2m 26s
Nextcloud master php8.2 unit tests	2m 26s
master w/ php8.1-sqlite-redis integration tests	9m 53s
master w/ php8.1-sqlite-redis integration tests	9m 53s
Nextcloud stable30 php8.2 unit tests	2m 31s
Nextcloud stable30 php8.2 unit tests	2m 31s
master w/ php8.2-mysql-redis integration tests	11m 11s
master w/ php8.2-mysql-redis integration tests	11m 11s
Nextcloud master php8.3 unit tests	2m 22s
Nextcloud master php8.3 unit tests	2m 22s
stable30 w/ php8.2-mysql-redis integration tests	11m 11s
stable30 w/ php8.2-mysql-redis integration tests	10m 44s
Nextcloud stable30 php8.3 unit tests	2m 10s
Nextcloud stable30 php8.3 unit tests	2m 10s
Nextcloud master php8.4 unit tests	2m 11s
Nextcloud master php8.4 unit tests	2m 11s
test-summary	5s
test-summary	6s
	1h 59m 8s

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