ENH Align ArrayList case sensitivity with other lists #3559

Job	Run time
CI / Generate matrix	10s
CI / Context	1s
CI / 8.3 prf-low mariadb phpunit framework-core	5m 51s
CI / Check governance	0s
CI / 8.3 mysql80 phpunit framework-core	8m 35s
CI / 8.4 mysql84 phpunit framework-core	8m 8s
CI / 8.3 prf-low mariadb phpunit framework-orm	12m 12s
CI / 8.3 mysql80 phpunit framework-orm	13m 19s
CI / 8.4 mysql84 phpunit framework-orm	13m 14s
CI / 8.3 mysql80 phplinting	2m 12s
CI / 8.3 mysql80 phpunit framework-cache-only inmemorycache	1m 30s
CI / Dispatch tag patch release	0s
	1h 5m 12s

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