Poll for the batchId on a regular basic to prevent its purgation from the transient store

When uploading a large file through S3, given the server configuration in-place, it may happen that the `batchId` on the Nuxeo side is deleted from the transient store while the binary is still being sent to S3. To improve the situation a sysadmin could set higher values for those properties: `nuxeo.transientstore.ttl` `nuxeo.transientstore.ttl2` `nuxeo.s3storage.transient.ttl` `nuxeo.s3storage.transient.ttl2` On the Nuxeo Drive side, the `batchId` will now be pinged on a regular basis (every 55 minutes) to update its TTL and prevent its deletion from the transient store.