refactor: simplify and optimize handleRequest method in CodeIgniter #15679

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.3) / Sanity Tests	1m 21s
Others (8.2) / Sanity Tests	2m 29s
Others (8.4) / Sanity Tests	1m 20s
Others (8.5) / Sanity Tests	1m 30s
SeparateProcess (8.4) / tests	1m 53s
SeparateProcess (8.3) / tests	1m 56s
SeparateProcess (8.5) / tests	1m 57s
CacheLive (8.5) / Cache Live Tests	1m 0s
SeparateProcess (8.2) / tests	2m 14s
CacheLive (8.2) / Cache Live Tests	1m 12s
CacheLive (8.3) / Cache Live Tests	1m 6s
CacheLive (8.4) / Cache Live Tests	1m 10s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 33s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 9s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 50s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 29s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 55s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 31s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 28s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 2s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 34s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 28s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 13s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 2s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 38s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 28s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	6m 53s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 35s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 51s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 12s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 2s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 43s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 12s
Upload coverage results to Coveralls / coveralls	46s
	1h 43m 44s

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