feat: expose prepared `FormRequest` data during validation failure #15275

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.4) / Sanity Tests	1m 31s
Others (8.2) / Sanity Tests	2m 57s
Others (8.3) / Sanity Tests	1m 31s
Others (8.5) / Sanity Tests	1m 44s
CacheLive (8.4) / Cache Live Tests	1m 27s
CacheLive (8.5) / Cache Live Tests	1m 29s
CacheLive (8.2) / Cache Live Tests	1m 55s
SeparateProcess (8.3) / tests	2m 10s
CacheLive (8.3) / Cache Live Tests	1m 28s
SeparateProcess (8.2) / tests	2m 9s
SeparateProcess (8.5) / tests	2m 14s
SeparateProcess (8.4) / tests	1m 58s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 3s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 47s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 11s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 12s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 10s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 23s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 40s
DatabaseLive (8.5, OCI8, 8.0) / tests	8m 3s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 44s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 35s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 32s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 6s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 49s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 32s
DatabaseLive (8.2, OCI8, 8.0) / tests	9m 4s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 37s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 1s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 12s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 22s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 35s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 33s
Upload coverage results to Coveralls / coveralls	45s
	1h 51m 31s

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