Fix appointment booking loading #5030

Job	Run time
php8.0 on master unit tests	2m 9s
php8.0 on stable27 unit tests	1m 51s
php8.0 on stable26 unit tests	2m 12s
php8.1 on master unit tests	1m 0s
php8.1 on stable27 unit tests	48s
php8.1 on stable26 unit tests	1m 3s
php8.2 on master unit tests	1m 55s
php8.2 on stable27 unit tests	1m 56s
php8.2 on stable26 unit tests	1m 58s
php7.4 on stable25 unit tests	2m 1s
php8.1 on stable25 unit tests	1m 1s
php8.0 on master integration tests	1m 59s
php8.1 on master integration tests	57s
php8.2 on master integration tests	33s
php7.4 on stable25 integration tests	1m 51s
php8.1 on stable26 integration tests	59s
php8.1 on stable27 integration tests	58s
php-test-summary	3s
	25m 14s

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