Mac client: "hide" from auto open program does not work

Summary

Enable "hide" from this function does not hide Mac client when auto running the app at startup.

Environment

• OSX 10.11.5
• Mac client 4.0.12

Steps to Reproduce

1. Enable HipChat to automatically open at startup as mentioned in the [link
2. Enable "Hide"
3. Restart the OSX machine

Expected Results

HipChat runs automatically upon starting the OSX machine without displaying its Windows.

Actual Results

HipChat runs successfully, however it does not "hide", chat client appears.

Workaround

No workaround at this time.