feat: allow `FormRequest` validation failures to reach controllers #15414

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.3) / Sanity Tests	1m 46s
Others (8.2) / Sanity Tests	3m 22s
Others (8.5) / Sanity Tests	1m 57s
Others (8.4) / Sanity Tests	1m 52s
CacheLive (8.2) / Cache Live Tests	1m 59s
CacheLive (8.5) / Cache Live Tests	1m 29s
CacheLive (8.3) / Cache Live Tests	1m 28s
SeparateProcess (8.3) / tests	2m 13s
SeparateProcess (8.2) / tests	2m 12s
SeparateProcess (8.4) / tests	1m 56s
DatabaseLive (8.3, OCI8, 8.0) / tests	8m 7s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 59s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 43s
SeparateProcess (8.5) / tests	2m 8s
DatabaseLive (8.2, OCI8, 8.0) / tests	9m 17s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	8m 48s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 6s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 40s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 48s
CacheLive (8.4) / Cache Live Tests	1m 36s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 52s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 39s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 54s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 28s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 18s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 52s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 20s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 15s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 39s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 23s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	7m 28s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 9s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 7s
Upload coverage results to Coveralls / coveralls	51s
	2h 1m 44s

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