Update `SlotHashesSysvar` API for more flexibility #4036

Job	Run time
ios (macos-12, aarch64-apple-ios)	4m 25s
android (ubuntu-20.04, x86_64-linux-android)	2m 45s
ios (macos-12, x86_64-apple-ios)	4m 41s
android (ubuntu-20.04, aarch64-linux-android)	2m 52s
ios (macos-12, aarch64-apple-darwin)	4m 10s
android (ubuntu-20.04, i686-linux-android)	2m 48s
ios (macos-12, x86_64-apple-darwin)	5m 29s
android (ubuntu-20.04, armv7-linux-androideabi)	2m 59s
error_reporting	0s
	30m 9s

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