Add full name for Option to resolve name conflicts #1984

Job	Run time
conformance	1m 42s
build (2_12, mima)	1m 4s
build (2_12, e2e)	3s
build (2_12, test)	2m 2s
build (2_13, mima)	1m 8s
build (2_13, e2e)	7s
build (2_13, test)	2m 1s
build (3, mima)	5s
build (3, e2e)	8s
build (3, test)	2m 0s
build (2_12, examples_and_formatting)	1m 42s
build (2_13, scala3_compat_test)	1m 59s
build (3, scala3_compat_test)	2m 1s
ci-passed	0s
	16m 2s

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