fix(globals): correctly fetch `$_REQUEST` super global #1115

Job	Run time
Test with embed	2m 38s
Build with ZTS	1m 51s
Build and Test (ubuntu-latest, 8.0, stable, 17, nts)	3m 32s
Build and Test (ubuntu-latest, 8.0, nightly, 17, nts)	3m 48s
Build and Test (ubuntu-latest, 8.1, stable, 17, nts)	3m 15s
Build and Test (ubuntu-latest, 8.1, nightly, 17, nts)	3m 28s
Build and Test (ubuntu-latest, 8.2, stable, 17, nts)	4m 8s
Build and Test (ubuntu-latest, 8.2, nightly, 17, nts)	3m 31s
Build and Test (ubuntu-latest, 8.3, stable, 17, nts)	3m 13s
Build and Test (ubuntu-latest, 8.3, nightly, 17, nts)	3m 26s
Build and Test (macos-latest, 8.0, stable, 15, nts)	2m 26s
Build and Test (macos-latest, 8.0, nightly, 15, nts)	2m 34s
Build and Test (macos-latest, 8.1, stable, 15, nts)	2m 24s
Build and Test (macos-latest, 8.1, nightly, 15, nts)	3m 35s
Build and Test (macos-latest, 8.2, stable, 15, nts)	2m 8s
Build and Test (macos-latest, 8.2, nightly, 15, nts)	3m 16s
Build and Test (macos-latest, 8.3, stable, 15, nts)	2m 34s
Build and Test (macos-latest, 8.3, nightly, 15, nts)	2m 13s
Build and Test (windows-latest, 8.0, nightly, 17, ts)	4m 26s
Build and Test (windows-latest, 8.0, nightly, 17, nts)	4m 19s
Build and Test (windows-latest, 8.1, nightly, 17, ts)	5m 13s
Build and Test (windows-latest, 8.1, nightly, 17, nts)	4m 34s
Build and Test (windows-latest, 8.2, nightly, 17, ts)	5m 6s
Build and Test (windows-latest, 8.2, nightly, 17, nts)	4m 47s
Build and Test (windows-latest, 8.3, nightly, 17, ts)	5m 6s
Build and Test (windows-latest, 8.3, nightly, 17, nts)	4m 53s
	1h 32m 24s

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