[Backport 2.32-maintenance] libstore/registerOutputs: Don't try to optimize a non-existent actual…#14280

internal-nix-ci[bot] merged 1 commit into

2.32-maintenanceNixOS/nix:2.32-maintenancefrom

backport-14276-to-2.32-maintenanceNixOS/nix:backport-14276-to-2.32-maintenanceCopy head branch name to clipboard