fix(realtime): force-WS option and polish connection popup UI

Add PUSHER_FORCE_WS so Echo/Pusher can prefer plain WebSocket
transports, redesign the real-time connection warning popup, and
give copy-button inputs durable right padding in settings forms.

docker-compose.dev.yml

@@ -29,6 +29,7 @@ services:
       PUSHER_HOST: "${PUSHER_HOST:-}"
       PUSHER_PORT: "${PUSHER_PORT:-}"
       PUSHER_SCHEME: "${PUSHER_SCHEME:-http}"
+      PUSHER_FORCE_WS: "${PUSHER_FORCE_WS:-false}"
       PUSHER_APP_ID: "${PUSHER_APP_ID:-coolify}"
       PUSHER_APP_KEY: "${PUSHER_APP_KEY:-coolify}"
       PUSHER_APP_SECRET: "${PUSHER_APP_SECRET:-coolify}"