fix: fix missing fields, like scripts, in npm query when the virtual tree is loaded

[nlf]

arborist's loadActual() method checks for a hidden lockfile first, if one exists we load the tree virtually which causes us to lose quite a lot of data. this pull request introduces a new flag for arborist to forcibly skip this virtual loading and instead do an actual tree load, which brings back the properties we were missing

[ljharb]

Is there an alternative, which is populating the hidden lockfile's virtual tree with all that on-disk data?

[nlf]

Is there an alternative, which is populating the hidden lockfile's virtual tree with all that on-disk data?

we could but then we have to carefully consider what data is currently available in the lockfile vs what users may want to query against, and we're likely to increase the size of the hidden lockfile by quite a bit.

to be honest, i'm pursuing some digging because i think the difference in available data when loading a tree virtually vs actually is very probably the source of some bugs. my first priority was fixing npm query so it will behave more consistently how users expect. it's entirely probable i'll be making some more foundational changes in arborist later, but that can wait.

[npm-cli-bot]

no statistically significant performance changes detected

timing results

app-large	clean	lock-only	cache-only	cache-only peer-deps	modules-only	no-lock	no-cache	no-modules	no-clean	no-clean audit
npm@8	41.802 ±4.69	19.335 ±0.43	17.062 ±0.21	20.076 ±1.55	3.145 ±0.20	2.967 ±0.04	2.545 ±0.09	11.731 ±0.00	2.443 ±0.05	4.115 ±0.93
#5263	42.026 ±2.48	19.374 ±0.01	16.944 ±0.32	19.930 ±0.97	2.997 ±0.00	3.045 ±0.09	2.448 ±0.04	11.823 ±0.32	2.438 ±0.01	3.516 ±0.13

app-medium	clean	lock-only	cache-only	cache-only peer-deps	modules-only	no-lock	no-cache	no-modules	no-clean	no-clean audit
npm@8	34.861 ±8.10	14.580 ±0.01	12.606 ±0.07	13.461 ±0.49	2.686 ±0.05	2.707 ±0.00	2.442 ±0.05	8.751 ±0.08	2.301 ±0.03	3.174 ±0.09
#5263	27.695 ±0.76	14.796 ±0.15	12.978 ±0.15	13.903 ±0.26	2.790 ±0.06	2.745 ±0.09	2.452 ±0.02	8.753 ±0.04	2.323 ±0.00	3.119 ±0.01