fix(op): ensure op worker restarts on reboot and make script resilient to reinstalls#428

gwenaskell wants to merge 2 commits intomainDataDog/agent-linux-install-script:mainfrom

yoenn.burban/OPA-5043-restart-worker-on-rebootDataDog/agent-linux-install-script:yoenn.burban/OPA-5043-restart-worker-on-rebootCopy head branch name to clipboard