* fix: refresh ignored builds when allowBuilds changes
* refactor: extract isBuildExplicitlyDisallowed into @pnpm/building.policy
Removes the duplicated ignored-build filter from deps-installer and
deps-restorer and exposes it as `isBuildExplicitlyDisallowed` on
`@pnpm/building.policy`, alongside `createAllowBuildFunction`.
* fix: respect ignoredWorkspaceStateSettings in allowBuilds stale-state check
The fallback that flagged installs when allowBuilds went from unset to
non-empty bypassed the ignoredSettings filter, so callers that explicitly
opted out of allowBuilds tracking (via ignoredWorkspaceStateSettings)
could still be forced into a redundant install.
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Co-authored-by: Zoltan Kochan <z@kochan.io>
