API Deprecate methods on ModalController #945

Job	Run time
CI / Generate matrix	17s
CI / Context	1s
CI / Check governance	1s
CI / 8.1 prf-low mysql57 phpunit all	2m 17s
CI / 8.2 mariadb phpunit all	2m 17s
CI / 8.3 mysql80 phpunit all	2m 50s
CI / 8.3 mysql84 phpunit all	2m 28s
CI / 8.1 mysql57 phplinting	2m 28s
CI / 8.1 mysql57 endtoend root job1	10m 51s
CI / 8.3 mysql80 endtoend root job1	10m 35s
CI / 8.1 mysql57 endtoend root job2	8m 24s
CI / 8.3 mysql80 endtoend root job2	8m 21s
CI / 8.1 mysql57 endtoend root job3	9m 16s
CI / 8.3 mysql80 endtoend root job3	9m 0s
CI / 8.1 mysql57 js	5m 22s
CI / Dispatch tag patch release	0s
	1h 14m 28s

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