Improves responsiveness of KPI widgets on new all websites dashboard #7230

Job	Run time
Client	1m 13s
PHP (UnitTests, 7.2, Mysql, PDO_MYSQL)	3m 3s
PHP (UnitTests, 8.2, Mariadb, PDO_MYSQL)	2m 46s
PHP (UnitTests, 8.4, Mysql, MYSQLI)	2m 41s
Javascript	3m 20s
UI (0)	26m 34s
PHP (SystemTestsPlugins, 7.2, Mysql, PDO_MYSQL)	11m 39s
UI (1)	16m 14s
PHP (SystemTestsPlugins, 8.2, Mariadb, PDO_MYSQL)	11m 42s
UI (2)	15m 40s
PHP (SystemTestsPlugins, 8.4, Mysql, MYSQLI)	15m 11s
UI (3)	14m 30s
PHP (SystemTestsCore, 7.2, Mysql, PDO_MYSQL)	9m 13s
PHP (SystemTestsCore, 8.2, Mariadb, PDO_MYSQL)	8m 19s
PHP (SystemTestsCore, 8.4, Mysql, MYSQLI)	10m 36s
PHP (IntegrationTestsCore, 7.2, Mysql, PDO_MYSQL)	12m 32s
PHP (IntegrationTestsCore, 8.2, Mariadb, PDO_MYSQL)	11m 48s
PHP (IntegrationTestsCore, 8.4, Mysql, MYSQLI)	13m 26s
PHP (IntegrationTestsPlugins, 7.2, Mysql, PDO_MYSQL)	26m 14s
PHP (IntegrationTestsPlugins, 8.2, Mariadb, PDO_MYSQL)	26m 15s
PHP (IntegrationTestsPlugins, 8.4, Mysql, MYSQLI)	26m 15s
	4h 29m 11s

Provide feedback