refactor: fix `return.unusedType` errors #13099

Job	Run time
Setup PHP Version for Code Coverage	9s
Others (8.1) / Sanity Tests	3m 7s
Others (8.2) / Sanity Tests	3m 43s
Others (8.3) / Sanity Tests	2m 35s
Others (8.4) / Sanity Tests	2m 30s
SeparateProcess (8.2) / tests	3m 42s
SeparateProcess (8.1) / tests	3m 28s
SeparateProcess (8.3) / tests	3m 31s
SeparateProcess (8.4) / tests	3m 11s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 52s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 50s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 52s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 14s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 36s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 24s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 23s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 32s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 39s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 50s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 11s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 33s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 40s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 23s
DatabaseLive (8.3, OCI8, 8.0) / tests	5m 58s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 11s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 22s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 42s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 44s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 16s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 36s
CacheLive (8.2) / Cache Live Tests	2m 23s
CacheLive (8.3) / Cache Live Tests	2m 5s
CacheLive (8.1) / Cache Live Tests	2m 10s
CacheLive (8.4) / Cache Live Tests	2m 2s
Upload coverage results to Coveralls / coveralls	54s
	2h 9m 18s

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