feat: update draw scheduling logic and add new translation keys

- Refactored HallDrawPanel to improve the logic for determining scheduled start and end times.
- Introduced a new translation key for "scheduledEnd" in English, Nepali, and Chinese to support enhanced scheduling features.
- Improved user experience by clearly differentiating between scheduled start, end, and close times.

src/i18n/locales/zh/player.json

@@ -74,6 +74,7 @@
     "currentIssue": "当前期号",
     "currentTime": "当前时间",
     "scheduledStart": "开始时间",
+    "scheduledEnd": "结束时间",
     "scheduledClose": "封盘时间",
     "startsIn": "距开始",
     "scheduleNow": "当前时间 {{now}}（{{tz}}）",