doc: [IAC-3502]: Revert or clarify drift examples

[richardblack-Harness]

Description

• Update drift detection doc to revert or clarify examples
• JIRA

PRs must meet these requirements to be merged:

• [x] Successful preview build.
• [x] Code owner review.
• [x] No merge conflicts.
• [x] Release notes/new features docs: Feature/version released to at least one prod environment.

[bot-gitexp-user]

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