feat: 焦点列表增加隐藏焦点方法

[LyKoiya]

焦点列表：增加隐藏焦点方法，当满足规则（血量百分比、目标关系）时，判断最大距离（nMaxDistance）是否为-1，若为-1则不显示焦点并跳出后续规则遍历。

[Copilot]

Pull Request Overview

This PR adds functionality to hide focus targets in the focus list when specific conditions are met. The change implements a rule-based focus hiding mechanism that checks if the maximum distance (nMaxDistance) is set to -1, and if so, hides the focus target and skips subsequent rule processing.

• Added conditional logic to hide focus targets when nMaxDistance equals -1
• Modified the focus display logic to respect the hide focus rule

Comments suppressed due to low confidence (1)

MY_Focus/src/MY_Focus.lua:885

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[LyKoiya]

已按提示修改标题为fix: