refactor: prepend `Autoloader`'s own autoload functions #14649

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	5m 11s
Others (8.5) / Sanity Tests	2m 27s
Others (8.4) / Sanity Tests	2m 30s
Others (8.3) / Sanity Tests	2m 56s
CacheLive (8.2) / Cache Live Tests	2m 18s
CacheLive (8.4) / Cache Live Tests	2m 18s
CacheLive (8.5) / Cache Live Tests	2m 11s
CacheLive (8.3) / Cache Live Tests	2m 6s
SeparateProcess (8.4) / tests	3m 7s
SeparateProcess (8.5) / tests	3m 23s
SeparateProcess (8.3) / tests	3m 23s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 8s
SeparateProcess (8.2) / tests	1m 58s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 49s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 41s
DatabaseLive (8.2, OCI8, 8.0) / tests	5m 0s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 0s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 17s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 41s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 2s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 36s
DatabaseLive (8.5, MySQLi, 8.0) / tests	2m 57s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 59s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 1s
DatabaseLive (8.3, SQLite3, 8.0) / tests	43s
DatabaseLive (8.4, OCI8, 8.0) / tests	2m 46s
DatabaseLive (8.3, OCI8, 8.0) / tests	5m 1s
DatabaseLive (8.5, OCI8, 8.0) / tests	2m 51s
DatabaseLive (8.4, MySQLi, 8.0) / tests	2m 54s
DatabaseLive (8.2, MySQLi, 5.7) / tests	2m 51s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	2m 9s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	2m 40s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 39s
Upload coverage results to Coveralls	0s
	1h 39m 35s

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