fix: Dollar Sign Handling in Markdown (#13178)

Co-authored-by: crazywoola <427733928@qq.com>

web/app/components/base/markdown.tsx

@@ -229,7 +229,11 @@ export function Markdown(props: { content: string; className?: string }) {
   return (
     <div className={cn(props.className, 'markdown-body')}>
       <ReactMarkdown
-        remarkPlugins={[RemarkGfm, RemarkMath, RemarkBreaks]}
+        remarkPlugins={[
+          RemarkGfm,
+          [RemarkMath, { singleDollarTextMath: false }],
+          RemarkBreaks,
+        ]}
         rehypePlugins={[
           RehypeKatex,
           RehypeRaw as any,