refactor: Fix phpstan isset offset #12819

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.3) / Sanity Tests	2m 58s
Others (8.2) / Sanity Tests	4m 22s
Others (8.4) / Sanity Tests	2m 40s
Others (8.1) / Sanity Tests	2m 21s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 19s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 58s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 35s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 41s
SeparateProcess (8.1) / tests	4m 29s
SeparateProcess (8.2) / tests	3m 42s
SeparateProcess (8.3) / tests	4m 11s
SeparateProcess (8.4) / tests	4m 29s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 10s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	3m 59s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 26s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 28s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 59s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 8s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 23s
CacheLive (8.1) / Cache Live Tests	1m 59s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 54s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 42s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 19s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 33s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 39s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 9s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 5s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 26s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 25s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 31s
CacheLive (8.2) / Cache Live Tests	2m 13s
CacheLive (8.3) / Cache Live Tests	2m 14s
CacheLive (8.4) / Cache Live Tests	2m 12s
Upload coverage results to Coveralls / coveralls	57s
	2h 11m 37s

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