fix: general improvements in tm2/bft/consensus #4169

Job	Run time
test (1.21.x, _test.cmd)	1m 4s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	10s
test (1.21.x, _test.pkg)	30s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	26s
test (1.21.x, _test.gnolang.native)	22s
build (1.22.x, GOARCH=amd64 GOOS=linux, gno)	13s
test (1.21.x, _test.gnolang.stdlibs)	45s
build (1.22.x, GOARCH=wasm GOOS=js, gno)	19s
test (1.21.x, _test.gnolang.realm)	29s
test (1.21.x, _test.gnolang.pkg0)	1m 28s
test (1.21.x, _test.gnolang.pkg1)	6m 3s
test (1.21.x, _test.gnolang.pkg2)	3m 56s
test (1.21.x, _test.gnolang.other)	27s
test (1.22.x, _test.cmd)	1m 0s
test (1.22.x, _test.pkg)	32s
test (1.22.x, _test.gnolang.native)	28s
test (1.22.x, _test.gnolang.stdlibs)	45s
test (1.22.x, _test.gnolang.realm)	31s
test (1.22.x, _test.gnolang.pkg0)	1m 32s
test (1.22.x, _test.gnolang.pkg1)	5m 47s
test (1.22.x, _test.gnolang.pkg2)	3m 55s
test (1.22.x, _test.gnolang.other)	20s
upload-coverage	21s
	31m 23s

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