src: fix -Wundefined-inline warnings

Fix compiler warnings introduced in commit 47edfd9c ("crypto: move
node_crypto_clienthello-inl.h to cc") by moving constructors around.

They were defined inline but depended on definitions
from `node_crypto_clienthello-inl.h`.

PR-URL: https://github.com/nodejs/node/pull/17649


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>