fix(globals): correctly fetch `$_REQUEST` super global #1114

Job	Run time
Build with ZTS	1m 52s
Test with embed	2m 32s
Build and Test (ubuntu-latest, 8.0, stable, 17, nts)	3m 14s
Build and Test (ubuntu-latest, 8.0, nightly, 17, nts)	2m 49s
Build and Test (ubuntu-latest, 8.1, stable, 17, nts)	3m 9s
Build and Test (ubuntu-latest, 8.1, nightly, 17, nts)	3m 0s
Build and Test (ubuntu-latest, 8.2, stable, 17, nts)	4m 15s
Build and Test (ubuntu-latest, 8.2, nightly, 17, nts)	2m 43s
Build and Test (ubuntu-latest, 8.3, stable, 17, nts)	3m 15s
Build and Test (ubuntu-latest, 8.3, nightly, 17, nts)	2m 57s
Build and Test (macos-latest, 8.0, stable, 15, nts)	2m 13s
Build and Test (macos-latest, 8.0, nightly, 15, nts)	2m 4s
Build and Test (macos-latest, 8.1, stable, 15, nts)	3m 35s
Build and Test (macos-latest, 8.1, nightly, 15, nts)	1m 55s
Build and Test (macos-latest, 8.2, stable, 15, nts)	3m 31s
Build and Test (macos-latest, 8.2, nightly, 15, nts)	1m 51s
Build and Test (macos-latest, 8.3, stable, 15, nts)	2m 32s
Build and Test (macos-latest, 8.3, nightly, 15, nts)	2m 10s
Build and Test (windows-latest, 8.0, nightly, 17, ts)	2m 55s
Build and Test (windows-latest, 8.0, nightly, 17, nts)	2m 54s
Build and Test (windows-latest, 8.1, nightly, 17, ts)	3m 30s
Build and Test (windows-latest, 8.1, nightly, 17, nts)	3m 34s
Build and Test (windows-latest, 8.2, nightly, 17, ts)	3m 23s
Build and Test (windows-latest, 8.2, nightly, 17, nts)	3m 32s
Build and Test (windows-latest, 8.3, nightly, 17, ts)	3m 15s
Build and Test (windows-latest, 8.3, nightly, 17, nts)	3m 18s
	1h 15m 58s

Provide feedback