fix: 修复团队监控中使用正则表达式喊话事件的多段倒计时条未替换{$1}模板字符问题

[ZXXX1999]

解决喊话事件正则表达式模板字符未替换问题，在喊话事件中多段倒计时条中含有{$1}等正则模板字符则因nTime未特殊传入aBackreferences参数导致替换为空白

[Copilot]

Pull Request Overview

This PR fixes an issue where regex template characters like {$1} were not being replaced in multi-segment countdown timers within team monitoring voice events. The problem occurred because the nTime field wasn't receiving special handling for aBackreferences parameter replacement.

Key changes:

• Added template string replacement for nTime field when it contains regex placeholders
• Modified countdown expiry logic to handle forced refresh scenarios

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
MY_TeamMon.lua	Added template string filtering for nTime field to resolve regex placeholder replacement
MY_TeamMon_SpellTimer.lua	Updated countdown expiry logic for forced refresh cases

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