Fix not work under vue script setup

[iceprosurface]

This resolves #102

[purefan]

Subscribing just to see if this project is alive (dont want to spend time on an abandoned project)

[kisstkondoros]

Thanks for opening an issue and providing a potential fix! I appreciate it. I have tested your approach and unfortunately it failed to preserve indexes used by the "jump to" function (extension.ts#L71).