feat(`sol!`): function calls should directly yield result #2272

Job	Run time
check no_std	39s
clippy	47s
docs	31s
fmt	11s
miri --no-default-features	5m 28s
miri	5m 34s
features stable	1m 34s
miri --all-features	8m 16s
wasm	31s
features stable --all-targets	3m 1s
test ubuntu-latest stable --no-default-features	57s
features nightly	1m 33s
test ubuntu-latest stable	55s
features nightly --all-targets	2m 56s
test ubuntu-latest nightly --no-default-features	47s
test ubuntu-latest nightly	51s
test ubuntu-latest 1.81 --no-default-features	38s
test ubuntu-latest 1.81	39s
test windows-latest stable --no-default-features	2m 53s
test windows-latest stable	2m 46s
test windows-latest nightly --no-default-features	1m 58s
test windows-latest nightly	2m 6s
test windows-latest 1.81 --no-default-features	1m 20s
test windows-latest 1.81	1m 37s
test ubuntu-latest 1.81 --features json	42s
test windows-latest 1.81 --features json	1m 25s
test ubuntu-latest nightly --all-features	1m 7s
test windows-latest nightly --all-features	2m 48s
deny / cargo deny check	18s
ci success	3s
	54m 51s

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