🎯 refactor: LaTeX and Math Rendering (#7952)

* refactor: Markdown LaTeX processing

- Added micromark-extension-llm-math as a dependency in package.json and package-lock.json.
- Updated Vite configuration to alias micromark-extension-math.
- Modified Markdown components to use singleDollarTextMath: false for improved LaTeX rendering.
- Refactored latex utility functions to enhance LaTeX processing and escaping mechanisms.

* chore: linting of `EditTextPart`

* fix: handle key up to initiate edit of latest user message by adding id prop to Edit Message HoverButton

* chore: linting in Artifact component

* refactor: enhance LaTeX preprocessing functionality

- Updated `preprocessLaTeX` to improve handling of currency and LaTeX expressions.
- Introduced optimized regex patterns for better performance.
- Added support for escaping mhchem commands and handling code blocks.
- Enhanced tests for various LaTeX scenarios, including currency and special characters.
- Refactored existing tests to align with new preprocessing logic.

* chore: filter out false positives in unused packages workflow

- Added a grep command to exclude the micromark-extension-llm-math package from the list of unused dependencies in the GitHub Actions workflow.

client/src/components/Chat/Messages/Content/Markdown.tsx

@@ -204,7 +204,7 @@ const Markdown = memo(({ content = '', isLatestMessage }: TContentProps) => {
     remarkGfm,
     remarkDirective,
     artifactPlugin,
-    [remarkMath, { singleDollarTextMath: true }],
+    [remarkMath, { singleDollarTextMath: false }],
     unicodeCitation,
   ];
 

client/src/components/Chat/Messages/Content/MarkdownLite.tsx

@@ -32,7 +32,7 @@ const MarkdownLite = memo(
               /** @ts-ignore */
               supersub,
               remarkGfm,
-              [remarkMath, { singleDollarTextMath: true }],
+              [remarkMath, { singleDollarTextMath: false }],
             ]}
             /** @ts-ignore */
             rehypePlugins={rehypePlugins}

client/src/components/Chat/Messages/Content/Parts/EditTextPart.tsx

@@ -117,9 +117,9 @@ const EditTextPart = ({
       messages.map((msg) =>
         msg.messageId === messageId
           ? {
-            ...msg,
-            content: updatedContent,
-          }
+              ...msg,
+              content: updatedContent,
+            }
           : msg,
       ),
     );