docs(nx-cloud): update start-ci-run docs with --force flag and cleanu…

…p command (#23168)

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## Current Behavior
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Updates docs to include `nx-cloud cleanup` command as an alternative to
resetting your system after running `nx-cloud start-ci-run`.

Also provides more context about `nx-cloud start-ci-run`'s check for
local environments and how to bypass this check with the `--force` flag.

## Expected Behavior
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## Related Issue(s)
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merged. -->

Fixes #

(cherry picked from commit 22d7ea2)

docs/nx-cloud/reference/nx-cloud-cli.md

@@ -6,9 +6,10 @@ At the beginning of your main job, invoke `npx nx-cloud start-ci-run`. This tell
 command correspond to the same CI run.
 
 {% callout type="warning" title="Do not run start-ci-run locally" %}
-`nx-cloud start-ci-run` is designed to run in CI. If you run the command locally, it can cause your local Nx repo to think it's a part of a CI run. This can cause strange behavior like Nx commands timing out or throwing unexpected errors.
+`nx-cloud start-ci-run` generates a temporary marker file that can cause a local Nx repo to behave as if it is a part of a CI run. This can cause strange behavior like Nx commands timing out or throwing unexpected errors.
+To discourage this from happening, this command will run a check to see if it is running in a CI environment. You can bypass this check with `nx-cloud start-ci-run --force`.
 
-If you accidentally run the command locally, you can remove your system's temp files to reset your local system. Typically restarting your system is enough to fix this issue.
+If you accidentally run this command locally, remove all generated marker files with `nx-cloud cleanup`.
 {% /callout %}
 
 You can configure your CI run by passing the following flags: