fix: scroll current topic in sidenav

[maxakuru]

Fix #62

Test URLs:

• Before: https://main--prisma-cloud-docs-website--hlxsites.hlx.page/prisma/prisma-cloud/en/compute/pcee/admin-guide/install/install-defender/install-single-container-defender
• After: https://issue-62--prisma-cloud-docs-website--hlxsites.hlx.page/prisma/prisma-cloud/en/compute/pcee/admin-guide/install/install-defender/install-single-container-defender

[aem-code-sync[bot]]

Hello, I'm Franklin Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/prisma/prisma-cloud/en/compute/pcee/admin-guide/install/install-defender/install-single-container-defender

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/prisma/prisma-cloud/en/compute/pcee/admin-guide/install/install-defender/install-single-container-defender