storeChunk: Workaround for bug with parallel flushing#5510

PrometheusPi merged 3 commits intoComputationalRadiationPhysics:devComputationalRadiationPhysics/picongpu:devfrom

franzpoeschel:fix-span-parallel-flushingfranzpoeschel/picongpu:fix-span-parallel-flushingCopy head branch name to clipboard