add a known issue to uninstall section (#21815)

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## Description


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Update docs to mention a know issue during CLI uninstall on macOS

## Related issues or tickets


https://docker.slack.com/archives/C083X5V5GDD/p1736870271897639?thread_ts=1736770500.264399&cid=C083X5V5GDD

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- [ ] Technical review
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---------

Co-authored-by: Allie Sadler <[email protected]>

Author: karman-docker

content/manuals/desktop/uninstall.md

@@ -63,11 +63,20 @@ You can also uninstall Docker Desktop from the CLI. Run:
 $ /Applications/Docker.app/Contents/MacOS/uninstall
 ```
 
+You may encounter the following error when uninstalling Docker Desktop using the uninstall command.
+```console
+$ /Applications/Docker.app/Contents/MacOS/uninstall
+Password:
+Uninstalling Docker Desktop...
+Error: unlinkat /Users/<USER_HOME>/Library/Containers/com.docker.docker/.com.apple.containermanagerd.metadata.plist: operation not permitted
+```
+The operation not permitted error is reported either on the file `.com.apple.containermanagerd.metadata.plist` or on the parent directory `/Users/<USER_HOME>/Library/Containers/com.docker.docker/`. This error can be ignored as you have successfully uninstalled Docker Desktop.
+You can remove the directory `/Users/<USER_HOME>/Library/Containers/com.docker.docker/` later by allowing **Full Disk Access** to the terminal application you are using (**System Settings** > **Privacy & Security** > **Full Disk Access**).
+
 After uninstalling Docker Desktop, there may be some residual files left behind which you can remove:
 
 ```console
 $ rm -rf ~/Library/Group\ Containers/group.com.docker
-$ rm -rf ~/Library/Containers/com.docker.docker
 $ rm -rf ~/.docker
 ```