refactor: Fix phpstan isset offset #12824

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.3) / Sanity Tests	2m 31s
Others (8.1) / Sanity Tests	2m 22s
Others (8.2) / Sanity Tests	4m 41s
Others (8.4) / Sanity Tests	2m 40s
CacheLive (8.2) / Cache Live Tests	2m 8s
CacheLive (8.1) / Cache Live Tests	2m 17s
CacheLive (8.3) / Cache Live Tests	2m 7s
SeparateProcess (8.1) / tests	3m 26s
SeparateProcess (8.2) / tests	3m 29s
SeparateProcess (8.3) / tests	3m 45s
SeparateProcess (8.4) / tests	3m 19s
CacheLive (8.4) / Cache Live Tests	2m 17s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 26s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 9s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 4s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 28s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 48s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 31s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 48s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 17s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 40s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	4m 41s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 23s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 18s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 38s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 58s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 12s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 31s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 18s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 51s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 44s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 40s
Upload coverage results to Coveralls / coveralls	44s
	2h 5m 56s

Provide feedback