[Angular] Add tests for MetricsModalThreadsComponent #1466

Job	Run time
build-matrix	11s
ng-default	20m 31s
ng-default-additional	20m 35s
ng-mysql-es-noi18n-mapsid	20m 33s
ng-mongodb-kafka-cucumber	17m 51s
ng-h2mem-ws-nol2	20m 32s
ng-gradle-fr	20m 20s
ng-gradle-mariadb-oauth2-infinispan	20m 31s
ng-gradle-h2disk-ws-nocache	20m 33s
ng-webflux-mongodb	14m 40s
ng-webflux-gradle-mongodb-oauth2	15m 3s
ng-webflux-psql-default	18m 22s
ng-webflux-psql-additional	10m 17s
ng-webflux-gradle-session-h2mem-es	17m 10s
ms-ng-consul-oauth2-mongodb-caffeine	20m 37s
mf-ng-eureka-jwt-psql-ehcache	20m 34s
ms-mf-ng-consul-oauth2-neo4j	20m 24s
check-angular	2s
	4h 58m 46s

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