console: console.time() should not reset a timer when it exists

PR-URL: https://github.com/nodejs/node/pull/20442
Fixes: https://github.com/nodejs/node/issues/20440
Refs: https://console.spec.whatwg.org/#time


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>