Revert "Fixup for "use 'const &' for Native_capability where possible""

This reverts commit 47751f7342a8921fbbb9985e2ea7c46fae2c40aa.
Revert "use 'const &' for Native_capability where possible"

This reverts commit 5284d13d113b8af49c85c2b56366f598fe69bbd7.