fix: replace IsEqual with Equal #3950

Job	Run time
build (amd64, gcc)	39s
cleanup-runs	10s
build (arm64, aarch64-linux-gnu-gcc, g++-aarch64-linux-gnu)	1m 37s
install-tparse	13s
split-test-files	13s
test-cosmovisor	2m 33s
tests (00)	3m 41s
test-race (00)	3m 51s
tests (01)	4m 34s
test-race (01)	3m 10s
tests (02)	5m 2s
test-race (02)	2m 9s
tests (03)	3m 27s
test-race (03)	2m 10s
upload-coverage-report	23s
	33m 52s

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