chore(amino): improve error readability #1780

Job	Run time
build (1.20.x, GOARCH=amd64 GOOS=linux, gno)	35s
build (1.20.x, GOARCH=wasm GOOS=js, gno)	44s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	49s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	51s
test (1.20.x, _test.cmd)	1m 33s
test (1.20.x, _test.pkg)	1m 13s
test (1.20.x, _test.gnolang.native)	1m 8s
test (1.20.x, _test.gnolang.stdlibs)	1m 48s
test (1.20.x, _test.gnolang.realm)	1m 2s
test (1.20.x, _test.gnolang.pkg0)	2m 9s
test (1.20.x, _test.gnolang.pkg1)	8m 6s
test (1.20.x, _test.gnolang.pkg2)	7m 11s
test (1.20.x, _test.gnolang.other)	1m 1s
test (1.21.x, _test.cmd)	1m 24s
test (1.21.x, _test.pkg)	1m 6s
test (1.21.x, _test.gnolang.native)	1m 3s
test (1.21.x, _test.gnolang.stdlibs)	1m 21s
test (1.21.x, _test.gnolang.realm)	1m 6s
test (1.21.x, _test.gnolang.pkg0)	2m 14s
test (1.21.x, _test.gnolang.pkg1)	10m 23s
test (1.21.x, _test.gnolang.pkg2)	5m 45s
test (1.21.x, _test.gnolang.other)	1m 4s
upload-coverage	5s
	53m 41s

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