fix: codeigniter in a subdirectory + indexPage results in 404 #13388

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.2) / Sanity Tests	3m 42s
Others (8.1) / Sanity Tests	2m 18s
Others (8.3) / Sanity Tests	2m 25s
Others (8.4) / Sanity Tests	2m 21s
SeparateProcess (8.1) / tests	3m 26s
SeparateProcess (8.2) / tests	3m 39s
SeparateProcess (8.4) / tests	3m 22s
SeparateProcess (8.3) / tests	3m 34s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 38s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 29s
DatabaseLive (8.3, SQLite3, 8.0) / tests	3m 19s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 49s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 35s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 19s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 24s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 27s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 28s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 32s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 35s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 24s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 44s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 13s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 33s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 33s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 8s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 45s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 6s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 31s
CacheLive (8.4) / Cache Live Tests	2m 4s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 27s
CacheLive (8.2) / Cache Live Tests	2m 20s
CacheLive (8.3) / Cache Live Tests	1m 59s
CacheLive (8.1) / Cache Live Tests	2m 12s
Upload coverage results to Coveralls / coveralls	43s
	2h 8m 7s

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