Use DOCUMENTER_KEY for CompatHelper (#360) #800

Job	Run time
test (min, ubuntu-latest, Enzyme)	10m 57s
test (min, ubuntu-latest, ForwardDiff)	8m 35s
test (min, ubuntu-latest, Mooncake)	10m 21s
test (min, ubuntu-latest, Tracker)	8m 25s
test (min, ubuntu-latest, ReverseDiff)	8m 44s
test (min, ubuntu-latest, Zygote)	10m 24s
test (min, macOS-latest, Enzyme)	6m 4s
test (min, macOS-latest, ForwardDiff)	6m 47s
test (min, macOS-latest, Mooncake)	6m 55s
test (min, macOS-latest, Tracker)	5m 37s
test (min, macOS-latest, ReverseDiff)	5m 18s
test (min, macOS-latest, Zygote)	8m 23s
test (1, ubuntu-latest, Enzyme)	12m 34s
test (1, ubuntu-latest, ForwardDiff)	10m 1s
test (1, ubuntu-latest, Mooncake)	12m 34s
test (1, ubuntu-latest, Tracker)	10m 3s
test (1, ubuntu-latest, ReverseDiff)	10m 13s
test (1, ubuntu-latest, Zygote)	10m 54s
test (1, macOS-latest, Enzyme)	8m 43s
test (1, macOS-latest, ForwardDiff)	6m 8s
test (1, macOS-latest, Mooncake)	8m 22s
test (1, macOS-latest, Tracker)	6m 19s
test (1, macOS-latest, ReverseDiff)	7m 17s
test (1, macOS-latest, Zygote)	7m 27s
	3h 27m 5s

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