BinaryCacheStore: Respect build-use-substitutes

Dependencies

• [2] GJV2J5HX Pool local store connections
• [3] 73YR46NJ hydra-queue-runner: Write directly to a binary cache

Change contents

• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 255
  [3.8428]→[2.126:189](∅→∅)
  − //(*localStore)->querySubstitutablePathInfos(left, infos);
  [3.8428]

  [3.8486]
  + if (settings.useSubstitutes)

  + (*localStore)->querySubstitutablePathInfos(left, infos);