Suppress CG_DrawDisconnect during server demo playback — connection
can't be interrupted on a local demo. Detect pause from snapshot
serverTime (frozen time = paused) rather than configstrings, since
configstrings are OOB and may not be in sync with snapshots.
Show "Playback Paused" centered on screen when detected.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
