HTML attribute completion broken if element has content

[Peter-Juhasz]

VS 17.12.0 P1

Kepernyofelvetel.2024-08-23.203533.mp4

<button$$>Test</button>

[chsienki]

@davidwengier @phil-allen-msft I don't think we've changed code generation around this recently so it's probably not compiler. Will let you folks take a first look and tag us in if you think it's something we broke :)