refactor(HTTP): optimize file path parsing in `download()` method #15559

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	2m 37s
Others (8.4) / Sanity Tests	1m 54s
Others (8.3) / Sanity Tests	1m 37s
Others (8.5) / Sanity Tests	1m 29s
SeparateProcess (8.2) / tests	2m 7s
SeparateProcess (8.4) / tests	1m 59s
SeparateProcess (8.3) / tests	1m 57s
SeparateProcess (8.5) / tests	2m 16s
CacheLive (8.2) / Cache Live Tests	1m 13s
CacheLive (8.5) / Cache Live Tests	1m 10s
CacheLive (8.3) / Cache Live Tests	1m 6s
CacheLive (8.4) / Cache Live Tests	1m 0s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 11s
DatabaseLive (8.2, OCI8, 8.0) / tests	2m 40s
DatabaseLive (8.4, OCI8, 8.0) / tests	2m 41s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 42s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 32s
DatabaseLive (8.2, MySQLi, 8.0) / tests	2m 39s
DatabaseLive (8.3, MySQLi, 8.0) / tests	2m 40s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 4s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 15s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	1m 17s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	1m 0s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 24s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	2m 41s
DatabaseLive (8.5, OCI8, 8.0) / tests	1m 38s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 27s
DatabaseLive (8.3, OCI8, 8.0) / tests	1m 21s
DatabaseLive (8.5, MySQLi, 8.0) / tests	28s
DatabaseLive (8.2, MySQLi, 5.7) / tests	2m 26s
DatabaseLive (8.4, MySQLi, 8.0) / tests	1m 25s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 2s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	57s
Upload coverage results to Coveralls	0s
	56m 57s

Provide feedback