fix(editor): latex wrong config (#12578)

Closes: BS-2782

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Added KaTeX as a dependency to improve LaTeX rendering support.
  - KaTeX styles are now applied globally for consistent math formatting.

- **Refactor**
  - Updated LaTeX rendering to use inline math mode and removed MathML output.

- **Tests**
  - Enhanced inline LaTeX tests with snapshot-based verification for consistent rendering.
  - Added new snapshot files capturing expected LaTeX rendering outputs for various scenarios.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/latex/src/latex-block.ts

@@ -58,7 +58,6 @@ export class LatexBlockComponent extends CaptionedBlockComponent<LatexBlockModel
           try {
             katex.render(latex, katexContainer, {
               displayMode: true,
-              output: 'mathml',
             });
           } catch {
             katexContainer.replaceChildren();

blocksuite/affine/inlines/latex/src/latex-node/latex-node.ts

@@ -139,8 +139,7 @@ export class AffineLatexNode extends SignalWatcher(
             } else {
               try {
                 katex.render(latex, latexContainer, {
-                  displayMode: true,
-                  output: 'mathml',
+                  displayMode: false,
                 });
               } catch {
                 latexContainer.replaceChildren();