fix: fix duplicated field $state

fix: fix Field $merge()

fix: fix $onFormChange before Form mount

fix: fix $onFormChange before Form mount

fix: Execute $onFormChange() immediately when component didUpdate

fix: fix composition input for EasyFiled

fix: fix $reset() may produce errors in nested fields form

chore: support react@17

fix(EasyField): validate succeed if required is ‘false’

build: release 1.0.17