Feedback on decorator collapsing

VSCode has tooling that lets you collapse the decorator block, but it compresses it does to a single decorator line. The architects expected to show no decorators.

**uncollapsed**
```cadl
@A
@B(...)
@C
op myOp(...)
```

**current collapsed**
```cadl
@A
op myOp(...)
```

**expected collapsed**
```cadl
op myOp(...)
```