fix: return BAD_REQUEST when validate project metadata public value error
fix: return BAD_REQUEST when validate project metadata public value error

Signed-off-by: chlins <72a8a3ab6bc24470221e23f99f54366a41a1ac8c@vmware.com>

wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor