hybrid-array: add `FromIterator` impl (#1039) #1618

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 42s
test (1.65.0)	1m 43s
build (1.65.0, wasm32-unknown-unknown)	1m 52s
test (stable)	14s
build (stable, thumbv7em-none-eabi)	8s
build (stable, wasm32-unknown-unknown)	10s
minimal-versions / minimal-versions	23s
	6m 12s

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