Docs: add navigation guidance for CMS (#407)

* Added navigation guidance for CMS

* Removed extra parentheses

* Update docs/sources/contribute-documentation/contribute-release-notes/index.md

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update docs/sources/contribute-documentation/contribute-release-notes/index.md

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

docs/sources/contribute-documentation/contribute-release-notes/index.md

@@ -86,6 +86,10 @@ For Grafana versioned releases, the content entered in the CMS is published in t
 Regardless of the status of your entry, it's always best to use the CMS to make any changes. To make edits, follow these steps:
 
 1. Navigate to the [CMS](https://admin.grafana.com/content-admin/#/collections/whats-new).
+
+   - If your entry is already in **Published** status, you can find it [in the Contents section of the CMS under What's New in Cloud](https://admin.grafana.com/content-admin/#/collections/whats-new).
+   - If your entry is still in **Draft** or **Review** status, you can find it [in the Workflow section of the CMS](https://admin.grafana.com/content-admin/#/workflow) under the appropriate heading.
+
 1. Update the fields that you need to change.
 1. Click **Save**. The entry is now in **Draft** status.
 1. Do one of the following: