Turbopack: store vectors instead of hashmaps in ResolveResult (#76053)
@bgw 😉
- We never actually perform any lookup operations on these maps
- While I'm at it, also make that Vec a boxed slice
No perf difference though, do we still want this?
```
testing against 0293c96cf32
canary 0153bc2d61
13,1 GB
538.20s user 78.03s system 843% cpu 1:13.04 total
553.22s user 84.42s system 893% cpu 1:11.37 total
548.03s user 80.97s system 901% cpu 1:09.79 total
mischnic/resolve-result-repr e5618d72ed
13,1 GB
540.10s user 81.18s system 897% cpu 1:09.23 total
542.19s user 80.08s system 896% cpu 1:09.39 total
552.28s user 84.43s system 888% cpu 1:11.63 total
```