• Style: remove pending color on heading in outline panel.
• Fix: new created canvas text node doesn't show in outline panel.
• Feat: Potimize search logic to search content cross markdown/html syntax.
• Fix: Panel becomes empty after switching to core outline/back-links panel (FileViews)

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• 去除了 pending 状态的节点背景色
• 修复了新创建了 canvas 文本节点不会显示在面板的问题
• 功能：优化了搜索逻辑，现在可以跨越 markdown/html 语法来搜索内容
• 修复了从核心大纲/反向链接面板切换回来时，面板变为空的问题