Latex Line Highlighting broken

<!-- ⚠️ Please DON'T ignore the issue template --> <!-- 💡 Consider upgrading to the latest version before sending the issue --> **Describe the bug** The line-highlighting for latex is broken when using matrices and or linebreaks in subscripts of sums. **Minimal reproduction** Create a Slide with the following content # Title $$ {1,2,3|1,4,5} \begin{align*} S_{ij} &= \sum_k a_{ik} b_{kj}\\ % partitioned sum... &= \sum_{\substack{k\\k \% 4 = 0}} \sum_{k'=k}^{k+3} a_{ik'} b_{k'j} \\ % ...can be interpreted as inner product &\quad\qquad\equiv \sum_{\substack{k\\k \% 4 = 0}} \begin{pmatrix} \cdot & \cdot & \cdot & \cdot \end{pmatrix} \cdot \begin{pmatrix} \cdot \\ \cdot \\ \cdot \\ \cdot \end{pmatrix} \in \mathbb R\\ &= \sum_{\substack{k\\k \% 4 = 0}} \sum_{k'=k}^{k+3} b_{k'j} a_{ik'} \\ &\quad\qquad\equiv \sum_{\substack{k\\k \% 4 = 0}} \begin{pmatrix} \cdot \\ \cdot \\ \cdot \\ \cdot \end{pmatrix} \cdot \begin{pmatrix} \cdot & \cdot & \cdot & \cdot \end{pmatrix} \in \mathbb R^{4\times 4} \end{align*} $$ **Environment** - Slidev version: 52.14.2 - Browser: Google Chrome - OS: Windows 10 ```sh npm list ├── @slidev/cli@52.14.2 ├── @slidev/theme-default@0.25.0 ├── @slidev/theme-seriph@0.25.0 └── vue@3.5.33 ```