Client preferences are periodically reset

Summary

After setting preferences in HipChat (dark/light theme, text density, etc.), preferences are reverted back to default after some time.

Environment

• HipChat for Windows 4.0 client
• HipChat web client

Steps to Reproduce

1. Log into HipChat using the web client or Windows 4.0 client
2. Change one or more appearance preferences (dark/light theme, text density, etc.)
3. Wait ~10 minutes

Expected Results

The appearance preferences will be maintained until manually changed or otherwise reset.

Actual Results

The appearance preferences revert to default.