feat(`sol!`): function calls should directly yield result #2282

Job	Run time
clippy	49s
docs	30s
check no_std	38s
features stable	1m 46s
fmt	11s
features stable --all-targets	3m 8s
miri --no-default-features	5m 9s
features nightly	1m 33s
miri	4m 58s
test ubuntu-latest stable --no-default-features	1m 2s
features nightly --all-targets	2m 54s
miri --all-features	7m 45s
wasm	28s
test ubuntu-latest stable	59s
test ubuntu-latest nightly --no-default-features	43s
test ubuntu-latest nightly	48s
test ubuntu-latest 1.81 --no-default-features	35s
test ubuntu-latest 1.81	34s
test windows-latest stable --no-default-features	3m 32s
test windows-latest stable	2m 41s
test windows-latest nightly --no-default-features	1m 42s
test windows-latest nightly	1m 59s
test windows-latest 1.81 --no-default-features	1m 24s
test windows-latest 1.81	1m 28s
test ubuntu-latest 1.81 --features json	36s
test windows-latest 1.81 --features json	1m 32s
test ubuntu-latest nightly --all-features	1m 7s
test windows-latest nightly --all-features	3m 6s
deny / cargo deny check	15s
ci success	2s
	53m 54s

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