fix: `Connection::getFieldData()` default value convention for `SQLSRV` and `OCI8` #13517

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.1) / Sanity Tests	2m 43s
Others (8.4) / Sanity Tests	2m 40s
Others (8.2) / Sanity Tests	4m 1s
Others (8.3) / Sanity Tests	3m 0s
CacheLive (8.2) / Cache Live Tests	2m 28s
CacheLive (8.4) / Cache Live Tests	2m 12s
SeparateProcess (8.4) / tests	3m 31s
CacheLive (8.3) / Cache Live Tests	2m 21s
SeparateProcess (8.2) / tests	3m 51s
CacheLive (8.1) / Cache Live Tests	2m 17s
SeparateProcess (8.3) / tests	3m 40s
SeparateProcess (8.1) / tests	3m 44s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 47s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 7s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 37s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 13s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 27s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 43s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 42s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 45s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 53s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 17s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 55s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 42s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 3s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 19s
DatabaseLive (8.4, Postgre, 8.0) / tests	3m 0s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 49s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 41s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 10s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 25s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 34s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 48s
Upload coverage results to Coveralls	0s
	2h 10m 27s

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