Use new printer for signature help #11459

Job	Run time
validate	20s
lint-build	51s
test-wasm	1m 50s
test (stable, aarch64-unknown-linux-musl)	4m 24s
test (stable, x86_64-unknown-linux-musl)	6m 54s
test (stable, x86_64-pc-windows-msvc)	7m 26s
rustfmt	15s
test (stable, aarch64-apple-darwin, macos-latest, arm64, cargo, true)	4m 47s
test (stable, aarch64-unknown-linux-gnu)	3m 33s
test (stable, x86_64-unknown-linux-gnu)	4m 25s
test (stable, x86_64-apple-darwin)	9m 36s
test-projects	2m 42s
	47m 3s

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