Describe the bug
See the reproduction.
To Reproduce
<script context="module" lang="ts">
const a = <string>"b"
</script>
string will be be underlined, with a popup saying
JSX element 'string' has no corresponding closing tag.ts(17008)
Expected behavior
Highlight correctly
Screenshots

System (please complete the following information):
- OS: Mac
- IDE: VSCode
- Plugin/Package: Svelte for VSCode
Additional context
Bracketed type assertions work for regular <script lang="ts"> though