fix(update): when saving a job via _id add job name

this allows using sharded collections for improved performance, as this is the only place where job name is not provided.

sharding by name:
db.runCommand( { shardCollection: "YOUR-COLLECTION.agendaJobs", key: { name: 1 } } )

Author: simllll

lib/agenda/save-job.js

@@ -74,7 +74,7 @@ module.exports = async function(job) {
       // Update the job and process the resulting data'
       debug('job already has _id, calling findOneAndUpdate() using _id as query');
       const result = await this._collection.findOneAndUpdate(
-        {_id: id},
+        {_id: id, name: props.name},
         update,
         {returnOriginal: false}
       );